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30   distress signals by radio
 
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The most common way of sending a distress signal is by radio. Modern radios conform to the GMDSS (Global Maritime Distress and Safety System). GMDSS is an international system that uses terrestrial and satellite technology and ship board radio systems to allow rapid response in an emergency situation. Nowadays distress messages can be initiated digitally by pressing the call button on the radio set. Radio sets which are not according to the GMDSS standard transmit a distress message by voice on channel 16 on a VHF transmitter, or on 2182 kHz on an MF transmitter. The reception range of a VHF transmitter to a coastal station averages 35 nautical miles and between an MF transmitter and a coastal station 150 nautical miles. If you or your vessel are in grave and immediate danger use the MAYDAY call. MAYDAY is the internationally recognized radiotelephony distress signal for a person or a vessel in grave and imminent danger.
How to use VHF marine radio
 
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The ACMA has produced an educational video for the recreational boating community about how, and why it is important, to operate your VHF marine radio correctly. Hook Line and Sinker presenters Nick Duigan and Andrew Hart talk to Marine Rescue NSW volunteer Greg Searle about how to use a VHF marine radio in an emergency.
Views: 211733 acmadotgov
Basic VHF and UHF Fundamentals
 
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Basic VHF and UHF Fundamentals Antennas are a very important component of communication systems. By definition, an antenna is a device used to transform an RF signal, traveling on a conductor, into an electromagnetic wave in free space. Antennas demonstrate a property known as reciprocity, which means that an antenna will maintain the same characteristics regardless if it is transmitting or receiving. Most antennas are resonant devices, which operate efficiently over a relatively narrow frequency band. An antenna must be tuned to the same frequency band of the radio system to which it is connected, otherwise the reception and the transmission will be impaired. When a signal is fed into an antenna, the antenna will emit radiation distributed in space in a certain way. A graphical representation of the relative distribution of the radiated power in space is called a radiation pattern.
Views: 174083 Dan Vanevenhoven
Military and Maritime HF radio signals
 
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Some random radio signal I came across while tuning around the HF band on one of my SDR's
Views: 436 ElfNet Designs
Boating Safety - Using a Marine Radio
 
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To View the Next Video in this Series Please Click Here: http://www.monkeysee.com/play/2810-boating-safety-visual-distress-signals
Views: 10805 MonkeySee
Relay Tower 0MC-810 - The Default & Separated Family Radio Signals
 
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Subscribe!: http://oxhorn.it/youtube-subscribe-to-oxhorn Support on Patreon: https://www.patreon.com/oxhorn Join Ox's Discord Community: https://discord.gg/GE4EcFX My Twitch: http://www.twitch.tv/scotchandsmokerings Mods Used: http://oxhorn.it/mods-used Oxhorn's Free Fallout 4 Settlement Happiness Calculator: http://oxhorn.it/happiness-calculator My Fantasy Novel: http://www.cloranhastings.com/ ALL of my settlements and their status: http://oxhorn.it/settlement-status
Views: 142745 Oxhorn
VHF vs UHF - What's the difference
 
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VHF vs UHF - What's the difference We often get calls pertaining to Two-Way radios and our asked what is the difference between UHF ( Ultra High Frequency ) and VHF ( Very High Frequency ), well in today's video we hope we can help clarify and explain the difference between these two radio frequencies. More or less just a small increase of electromagnetic waves but also the length and duration of the signal. I've taken the liberty of providing a variety of other links below that might help you to further understanding this topic. As well I've attached a link that takes you directly to our website where we offer phenomenal pricing on just about every two-way radio battery to date. As well our house brand UHF DSR-590 Two- Way radio. Please Like, Subscribe and Comment with any questions you may have! FaceBook: https://www.facebook.com/bigtimebattery/ Two-Way Radio FaceBook: https://www.facebook.com/dsrtwowayradio/ Twitter: https://twitter.com/bigtimebattery YouTube: https://www.youtube.com/channel/UCHOfamYiFN4vINQf2zpenZA Website: http://bigtimebattery.com/store/ICOM_ICF4001_UHF_handheld_radio.html ----------------------------------------------------------------------------------------------------------- Helpful Links http://www.audio-technica.com/cms/site/af9d127e26abf498/ https://www.youtube.com/watch?v=ABGnx3EyHmQ https://www.youtube.com/watch?v=g331FDP8_cA
Radio Propagation 101
 
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This video gives you the basics of Radio Propagation: Basic information that includes Sun Spots, Solar flux, K and A factors Why should you be interested in propagation? Well if you want to make those DX contacts you will need to be aware of when propagation is best for conditions to your target. One way to do this is to listen. Another is to check propagation sources such as WWV mentioned above. You can also get familiar with the propagation tables presented monthly in QST and CQ magazines. These charts will tell you when to expect the best propagation on what bands and at what time for your location to other areas of the world. An excellent source is to check the DX clusters online or by packet radio. This can give you current information about DX activity that is happening right now.
Views: 109997 Dan Vanevenhoven
How to use a marine radio
 
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Different types of marine radios and how/when to use them. Check out https://www.clubmarine.com.au for more boating advice and information.
Views: 5686 Club Marine TV
What is MARINE VHF RADIO? What does MARINE VHF RADIO mean? MARINE VHF RADIO meaning
 
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What is MARINE VHF RADIO? What does MARINE VHF RADIO mean? MARINE VHF RADIO meaning - MARINE VHF RADIO definition - MARINE VHF RADIO explanation. Source: Wikipedia.org article, adapted under https://creativecommons.org/licenses/by-sa/3.0/ license. Marine VHF radio refers to the radio frequency range between 156.0 and 174 MHz, inclusive. The "VHF" signifies the very high frequency of the range. In the official language of the International Telecommunication Union the band is called the VHF maritime mobile band. In some countries additional channels are used, such as the L and F channels for leisure and fishing vessels in the Nordic countries (at 155.5–155.825 MHz). Marine VHF radio equipment is installed on all large ships and most seagoing small craft. It is also used, with slightly different regulation, on rivers and lakes. It is used for a wide variety of purposes, including summoning rescue services and communicating with harbours, locks, bridges and marinas. A marine VHF set is a combined transmitter and receiver and only operates on standard, international frequencies known as channels. Channel 16 (156.8 MHz) is the international calling and distress channel. Transmission power ranges between 1 and 25 watts, giving a maximum range of up to about 60 nautical miles (111 km) between aerials mounted on tall ships and hills, and 5 nautical miles (9 km; 6 mi) between aerials mounted on small boats at sea level. Frequency modulation (FM) is used, with vertical polarization, meaning that antennas have to be vertical in order to have good reception. Modern-day marine VHF radios offer not only basic transmit and receive capabilities. Permanently mounted marine VHF radios on seagoing vessels are required to have certification of some level of "Digital Selective Calling" (DSC) capability, to allow a distress signal to be sent with a single button press. Marine VHF mostly uses "simplex" transmission, where communication can only take place in one direction at a time. A transmit button on the set or microphone determines whether it is operating as a transmitter or a receiver. Some channels, however, are "duplex" transmission channels where communication can take place in both directions simultaneously when the equipment on both ends allow it (full duplex), otherwise "semi-duplex" is used. Each duplex channel has two frequency assignments. Duplex channels can be used to place calls on the public telephone system for a fee via a marine operator. When full duplex is used, the call is similar to one using a mobile phone or landline. When semi-duplex is used, voice is only carried one way at a time and the party on the boat must press the transmit button only when speaking. This facility is still available in some areas, though its use has largely died out with the advent of mobile and satellite phones. Marine VHF radios can also receive weather radio broadcasts, where they are available.
Views: 1309 The Audiopedia
What is SSB USB and LSB modes
 
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Understanding what is Single Side Band, Lower Sideband and Upper Sideband signals
Views: 81481 OfficialSWLchannel
blue marine radio signal
 
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this is a deep ambient house track i made on my new korg m3 keyboard with exb radius
Views: 122 syntheticdj
DIY RF Signal Generator
 
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I built my own RF signal generator by following plans from a Nuts and Volts magazine. In this video, I show how the RF generator works and I go through some of the circuit boards and components installed inside. The RF Generator works from approximately 188 KHz to 125 MHz. I'm hoping this RF signal generator will be useful for numerous tube-related projects (radios, etc, that need alignment). The RF generator is based on an MC1648 voltage controlled oscillator chip and a varactor diode. See my electronics blog at http://www.smbaker.com/
Views: 36889 smbakeryt
Marine Radio (HF) on 8.764 mhz upper sideband
 
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Long distance marine radio, over the horizon storm warnings.
Views: 220 Tim Olson
How to Use Marine VHF Radio
 
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Watch more Disaster Survival & Worst-Case Scenarios videos: http://www.howcast.com/videos/383525-How-to-Use-Marine-VHF-Radio Having a Marine radio can be critical when operating a boat on any type of water. There are many uses for a Marine radio, but the most important is to send a distress signal -- here's how to do it. Step 1: Call distress signal Tune your marine radio to channel 16 and call out the word "mayday" three times in a row. This is the international hailing and distress frequency. Tip Collect as much information as you can about your vessel, your condition, and your location before making a distress call. Step 2: Name your vessel Call out the name of your vessel by saying "This is" and then repeating the name of your vessel three times in a row. Tip Call out your call sign and registration number once each if you know them. Step 3: Repeat mayday and name Repeat "mayday" and the name of the vessel once more. Step 4: Give position Give the position of your vessel finding your latitude and longitude on a nautical chart, and approximate distance to a known landmark or island. Tip Give your bearing information by describing the direction you're heading using your compass. Step 5: Describe your condition Describe the nature of your distress by saying something like, "struck a submerged object," "taking on water," or "fire on board." Step 6: Describe what you need Describe any specific assistance you might need, like medical attention for someone on board, or pumps needed to remove water. Step 7: Describe number of people on board Describe how many people are on board, their age if pertinent, and their condition. Step 8: Give other information Give any other pieces of information that may further assist the rescuer. Then end the call with the word "over." Step 9: Switch channels Switch to a mutually decided on, free channel once you have established contact with a rescuer. Simply call out a switch to a numbered channel and then tune to that channel to continue communicating with the rescuer. Did You Know? The distress signal "mayday" was created in 1923 by Fredrick Stanley Mockford, based on the French word m'aider, which means "come help me."
Views: 5658 Howcast
VHF Marine Radio - DSC Radio USCG- Pt. 1
 
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How does DSC Work? Marine Radio DSC Course for emergency radio operation - US Coast Guard Humboldt Bay Ca. April 22nd 2009 Information on the operation, of DSC (Digital Selective Calling) for Maritime operation. Lt. Parkhurst, USCG discusses the operation of MMSI and other information - Part 1 For more information and documentation, visit: http://humboldttuna.com/smf/index.php?topic=2050.0
Views: 34905 RadioLabs
AM / FM Radio Signal Amplifier for the Polaris Slingshot
 
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While this product will not magically bring to life every AM / FM signal, it will amplify those signals that are within range to increase the # of radio frequencies available to you in your Polaris Slingshot. This product is available at SlingMods.com here: http://www.slingmods.com/polaris-slingshot-radio-signal-amplifier-am-fm-booster-electrical-connection
Views: 54241 Slingmods.com
SEA-235 digital HF Single Side band marine radio
 
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This is the US made Stephens Engineering Associates SEA235 HF SSB marine transceiver. As you will see in the video, this radio has a hidden feature called "Amateur" which allows it to be operated on any ham band (as well as any other shortwave frequency) in modes USB,LSB,CW,AME and FSK(data). The radio has a digital DSP based IF processor, and as such it can apply different filter bandwidths to accommodate the different operating modes, even a narrow filter for the CW (morse) mode. The transmitter is equipped with two parallel power stages that are combined into 150 watts RF power. In Marine mode, it facilitates all standard HF marine channels as well as an additional 100 user programmable memories.
Views: 3094 LifeIsTooShortForQRP
VHF/HF Radio Wave Propagation
 
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This video describes how VHF and HF radio waves propagate. This video is for my FLL Team called K-9
Views: 13005 Talo _Mate
How to Find Radio Signal Sources | Fallout 4 Tips & Tricks
 
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Here's a guide on finding the source of radio signals out in the Fallout 4 wilderness. The basics are: turn on the radio to the signal you want, walk around until the broadcast becomes clear. Simple as that! This will be an ongoing series in which I make quick guides for Fallout 4 as I learn new things. Subscribe for more! Links: http://twitter.com/MisterGruntle http://twitch.tv/MisterGruntle
Views: 8908 Mister Gruntle
Mayday Distress Call: How To
 
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Mayday is an international marine emergency code word for distress in voice communications. The term is derived from the french term venez m'aider, which translates to, "come help me". Calling mayday over the marine VHF (very high frequency) radio signals emergency response crews such as the Coast Guard, Police, Firefighters, and Marine Assistance firms of a marine emergency. The protocol is as follows: MAYDAY (X3), THIS IS, VESSEL NAME (X3), MAYDAY WE ARE LOCATED (LATITUDE AND LONGITUDE) BEARING AND DISTANCE FROM NAVIGATIONAL AID NUMBER OF PERSONS ON BOARD (HEALTH AND PFD STATUS) NATURE OF EMERGENCY, ANY FURTHER DETAILS MAYDAY X3 OVER.
Views: 25611 TowBoat911
YES you do! Marine Radio Certificates
 
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The Australian Maritime College (AMC) is Australia's national institute for maritime education, training and research; and a specialist institute of the University of Tasmania (UTAS), based in northern Tasmania.
West Marine - VHF250 Multiband Handheld VHF Radio
 
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Use your VHF on your boat or on land with VHF and FRS capability! Packed with all the features of the VHF150, the VHF250 takes you to the next level of VHF technology and performance. The versatile VHF250 makes it just as easy to communicate from ship to shore as from ship to ship with FRS transceiver capabilities. And with AM, FM and aircraft band reception you can listen to AM or FM radio stations or aircraft band transmissions, including emergency locator beacon signals. Like the VHF150, its large dot-matrix backlit display, menu-based system and up/down arrows make one-hand operation easy. Its JIS 8compliant: Rated as waterproof in 1.5 meters of water. Features a watertight speaker/mic jack and a keypad lock to prevent accidental changes while powered on. Material: Die-cast aluminum chassis Contols: Rotary volume/squelch knobs; backlit keys Scanning Modes: Programmable, dual and triple watch Weather Alert: S.A.M.E. Weather Alert Transmit Power: 5/2.5/1 watt Receiver Performance: Sensitivity: 0.23µV; Rejection: 71dB Battery Life Li-ion: 12 hours Waterproof: Mfr.-rated JIS 8 Dimensions: 2.4"W x 4.25"H x 1.4"D Display Type: Dot-matrix LCD Screen Size: 1.5"W x 1.25"H Weight: 12.3oz. Included Equipment: Dual-voltage 110/220V AC charger, 12V DC charger, alkaline battery tray, rapid charging cradle, swivel belt clip, antenna, lanyard
Views: 31203 West Marine
BOAT SAFETY  8  MARINE RADIO COMMUNICATION
 
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BOAT SAFETY TIPS. SO YOU WANT TO BE A BOATY HERE ARE HANDY TIPS TO START YOU OF REMEMBER SAFE BOATING START WITH YOU
Views: 34895 holandsezeeman
ScotSail VHF Marine Radio Licence - Pan Pan Voice Call
 
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RYA/MCA VHF (SRC) DSC Marine Radio Licence - 1-Day Radio Licence For Operators of Small Leisure and Commercial Craft. This video is of a Pan Pan call, after having sent a DSC Urgency Alert. This demonstration is conducted by a VHF SRC Radio Licence Assessor on a Simrad RD68 Fixed DSC Radio.
Views: 10361 MrScotSail
Marine HF @ 6.722 MHz #maritime #marine #radio #amateurradio #hamr #hamradio #shortwave #swl
 
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Bristol Channel Radio is the home of radio signals received in the Bristol Channel area of the UK. The signals include HAM Radio, Air Band, ADS-B, Marine VHF, and various other non-commercial stations. The signals are received a short distance north of Chepstow, using an SDRPlay RSP2 and the SDRuno software. The UHF/VHF antenna is a stainless steel Royal Discone and the antenna for HF is a 20m Longwire with a 9:1 UnUn. This channel is provided for research and/or educational purposes, but general interest viewers are most welcome. Please go ahead and LIKE, SHARE, and SUBSCRIBE, your support is appreciated. Bristol Channel Radio do not claim any rights whatsoever on any rights protected material heard in any of it's live steams / videos. If any affected material is heard within any Bristol Channel Radio content, this is unintentional, and will be removed upon request from the rights owner/s. If you would like to use any content from this channel for any purpose (outside of general viewing on YouTube,) you MUST seek written consent from Bristol Channel Radio before doing so.
Views: 34 BCRLiveStream
SEA 235 HF SSB marine & ham radio with IF DSP and DDS
 
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This is the SEA-235 HF SSB marine radio, 150 watts USB/LSB/CW and FSK (RTTY). This radio was made in the USA by Stephens Engineering Associations (SEA). The radio is state of the art; it has an IF-DSP (all filters and modulation/demodulation are done in the digital domain) and it uses a DDS (Direct Digital Synthesizer) allowing for 10 Hz finest step resolution. Also, the radio has 200 non-volatile, user-programmable memory locations. The one you see here in this video is like new, it has never been used mobile and/or on a ship so there is NO corrosion. The primary target market for this radio was marine applications, for use on high-sea going vessels. But it also has an (undocumented) "amateur" mode, which means the engineers who designed this radio were probably hams! Because of this ham mode, the radio is extremely usable on the HF ham bands, as this video will show. In the "marine" (default) mode, it offers almost a thousand pre-programmed marine frequencies (channels if you want), for use in any region in the world.
Marine Radio MF VHF band between baofeng SDR RTL experiment test SHTF
 
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https://www.amazon.com/gp/product/B0129EBDS2/ref=as_li_tl?ie=UTF8&tag=fintechcomm0f-20&camp=1789&creative=9325&linkCode=as2&creativeASIN=B0129EBDS2&linkId=4240474970329f80470ff5cb8ab7f2e6 About 2 year ago we spun a prop on the boat and got stuck about 30 miles out. We tried to call out with the Marine VHF and could hear anything on the emergency channel 16. I wasn't sure if it was the radio or antenna. We luckily we got a weak cell signal and called vessel assist. I've had this radio and antenna in my garage for two year and decided to give it a test. This is the original reason I got my first Baofeng GT-3 radio. I wanted a backup for the marine radio and be able to transmit on other channels in case of emergency. http://www.fintechcommunications.com http://www.ocdatacabling.com 949-642-2911
Views: 1993 Fintech Repair Shop
Radio morse code in the merchant navy
 
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Receiving QTC from Athinai Radio/SVA/SVF, on board, MV Handy Carrier/9HJV2. (1990)
Views: 80352 IOANNIS KARAPAVLOS
HF SSB marine radio Raytheon RAY-152 (same as JRC JSB-176)
 
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This is the Raytheon Ray-152, a professional HF SSB marine radio. It shares most of its DNA wit the well known JRC JST-135 radio that was sold in the ham market. The Ray-152 is an excellent performer. Se the videos for the details.
Views: 10933 LifeIsTooShortForQRP
How to Extend The Range of Walkie-Talkie Portable Handheld Radios.
 
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Three tips on how to extend the range of handheld radios. Please see: https://www.patreon.com/radioprepper
Views: 78341 Radio Prepper
VHF Marine Radio with DSC
 
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What's that red button for? It sends an automatic distress call - but you have to set it up.
Marine radio
 
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Example of Kenwood radio that is setup to indicate three levels of marine radio signal: very strong (line-of-sight), strong, weak.
Views: 20 Steven Glubis
VHF Radio marine : l’équipement indispensable en mer | USHIP
 
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La VHF est un instrument électronique de sécurité à avoir sur un bateau pour la communication en mer. Cette vidéo va vous permettre de mieux comprendre l’utilité d’une radio vhf marine portable ou fixe et son fonctionnement. VHF est la contraction de Very High Frequency et c’est avant tout un moyen de communiquer entre les différents bateaux. La radio VHF est également un moyen d’appeler les secours et de recevoir des appels de détresse d’autres bateaux. La chose la plus importante à connaitre sur une VHF, c’est le numéro du canal de détresse. Sur une VHF fixe, on le retrouve sur l’appareil et sur le combiné. Sur les VHF ASN, il y a un bouton d’appel d’urgence. Il suffit d’un appui prolongé de 5 secondes pour contacter les secours les plus proches. Pour l’identification du bateau, il faut au préalable rentrer dans l’appareil le numéro MMSI (Maritime Mobile Service Identity) qui est propre à chaque navire. La fonctionnalité « double –veille » sur les VHF permet de surveiller un canal, tout en restant sur un autre canal pour communiquer avec d’autres bateaux. Sur une VHF portable, on retrouve les mêmes fonctionnalités qu’une VHF fixe, avec la possibilité d’avoir l’ASN (touche pour le signal de détresse). L’antenne d’une VHF portative est bien souvent amovible et certaines de ces radios marines sont étanches. USHIP sur le Web ▶ http://www.uship.fr et http://www.academie.uship.fr USHIP sur Facebook ▶ http://goo.gl/ZJkhQP USHIP sur Twitter ▶ http://goo.gl/fDstf0 USHIP est un réseau de magasins d'accastillage pour les voiliers, bateaux à moteur et les loisirs nautiques. USHIP propose une sélection de plus de 10 000 accessoires, matériel et équipement pour votre bateau. Retrouvez sur notre chaîne les tests produits et la présentation des nouveautés pour vous aider dans vos choix!
Views: 18366 USHIP
La météo marine - Radio France Info. Mardi, le 21 février  2012
 
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La météo marine Radio France Info: février 21 2012. Meilleur signal
Views: 7887 Mobilecheese
HOW TO MAKE A MAYDAY MARINE RADIO DISTRESS CALL
 
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Radio Distress Calling USED ONLY if in Grave or Imminent Danger * MAYDAY * MAYDAY * MAYDAY * THIS IS (name of vessel & call sign - spoken 3 times) * MAYDAY name of vessel & call sign, location, nature of distress, persons on board, EPIRB activated
Views: 6562 theVhfradiocourse
Artemis: Desktop Radio Signal Identification Software
 
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Artemis download link: http://markslab.tk/project-artemis
Views: 1345 Curt Rowlett
I-Com M802 SSB Marine radio with Icom AT 140 tuner
 
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Video showing a I-Com M802 radio in action checking email via SCS PTC-IIusb pactor modem. A 2000nm link from the Marshall Islands to Hawaii. Icom M802 SSB for sale
Views: 17205 David Kane
The many uses of your VHF marine radio—tips from Hook, Line and Sinker
 
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Your Marine VHF Radio has many uses: logging in with your local coast guard, listening to others needing assistance or calling for help if you're in trouble. Grab a handbook and keep it on board so you can know all the uses of your VHF Marine Radio. Marine VHF Radio Tips brought to you by the Australian Communications and Media Authority
Views: 5940 acmadotgov
Standard Horizon GX5500S Quantum Marine VHF Radio: An Overview
 
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Standard Horizon GX5500S Quantum Marine VHF Radio is available at PSICOMPANY.COM. Call 1.800.826.2907 More Information on Standard Horizon GX5500S Quantum Marine VHF Radio: http://www.psicompany.com/standard-horizon-gx5500s-quantum-vhf-radio-with-dsc/ ● Bluetooth Headset capable ● 30 Watt PA/Loud Hailer with preprogrammed fog signals and listen back ● Bass and Treble tone control ● IUT-R M493-12 VHF with commercial grade 80dB receiver ● Full dot matrix LCD display ● Submersible JIS-7 / IPX7 (3.3 feet for 30 minutes) ● Independent Channel 70 receiver built-in for continuous DSC watch ● LAT/LON, SOG and COG shown on display when connected to GPS ● Removable ClearVoice noise canceling speaker mic with channel selection and 16/9 key ● Front panel speaker microphone can be relocated to rear panel using optional MEK-4 ● Versatile user-programmable scanning, priority scan and Dual Watch ● Voice Scrambler (optional) ● One-button access to Channel 16 and 9 ● Large rotary knobs, and oversized display ● Capable of connecting to RAM3 or VH-310 second station optional Remote Access Mic ● Intercom between radio and second station microphone ● Overall Dimensions: 3.5"H x 9.1"W x 5.9"D ● Flush Mount Cutout: 2.8"H x 8.1"W ● 3-Year Waterproof Warranty Standard Horizon GX5500S Quantum Marine VHF Radio with Large LCD Display, Class D DSC, Scan, Submersible, 30 Watt PA, a full powered 25 watt VHF, with all US, International and Canadian channels, as well as NOAA Weather Channels, Programmable, 12 VDC Standard Horizon Model: GX5500S Quantum More Information on Standard Horizon GX5500S Quantum Marine VHF Radio ● Standard Horizon GX5500S Quantum Marine VHF Radio Dimension Drawing ● Standard Horizon GX5500S Quantum Marine VHF Radio Operator Manual Standard Horizon GX5500S Quantum Marine VHF Radio Features: ● Bluetooth Headset capable ● 30 Watt PA/Loud Hailer with preprogrammed fog signals and listen back ● Bass and Treble tone control ● IUT-R M493-12 VHF with commercial grade 80dB receiver ● Full dot matrix LCD display ● Submersible JIS-7 / IPX7 (3.3 feet for 30 minutes) ● Independent Channel 70 receiver built-in for continuous DSC watch ● LAT/LON, SOG and COG shown on display when connected to GPS ● Removable ClearVoice noise canceling speaker mic with channel selection and 16/9 key ● Front panel speaker microphone can be relocated to rear panel using optional MEK-4 ● Versatile user-programmable scanning, priority scan and Dual Watch ● Voice Scrambler (optional) ● One-button access to Channel 16 and 9 ● Large rotary knobs, and oversized display ● Capable of connecting to RAM3 or VH-310 second station optional Remote Access Mic ● Intercom between radio and second station microphone ● Overall Dimensions: 3.5"H x 9.1"W x 5.9"D ● Flush Mount Cutout: 2.8"H x 8.1"W ● 3-Year Waterproof Warranty Standard Horizon GX5500S Quantum Marine VHF Radio HD Video Playlist: Optional Bluetooth® wireless headset Kit (BTK-2) with PTT or VOX With the optional BTK-2 kit (includes BH-2 headset, BU-1 Bluetooth unit and CAB-2 charger)the GX5500S becomes hands free and can be used up to 30 Feet away. Alphanumeric keypad The keypad allows quick access to most often used functions, input of DSC names, manual entering of GPS position and direct entry of channels. Class D Digital Selective Calling The GX5500S meets the requirements for Class D with a separate Channel 70 receiver, which allows DSC calls to be received even when listening to traffic on Marine VHF channels. The DSC DISTRESS function when activated transmits a digital MAYDAY including vessel identification, Latitude / Longitude and time (with GPS connected), to facilitate prompt response. Additional calls that can be made are Individual, Urgency and Safety. Commerical grade 80dB receiver Advanced receiver technology rejects the reception of unwanted signals from pagers and other unwanted VHF frequencies. Audio tone control This unique feature allows the treble and bass of the speaker audio to be adjusted for best listening. The effect is similar to adjusting the treble and bass controls on a stereo. Oversized knobs and scanning Radio operation and channel selection is made easy (even with gloves) with the oversized volume, squelch and channel selector knobs. See us at: http://www.psicompany.com/standard-horizon/
Views: 1699 BuyStandardHorizon
Flares, Emergency Locator Transmitters, etc.: Aircrew Survival: Survival Signalling c1990 FAA
 
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more at http://outdoor-gear.quickfound.net/ Aircrew Survival: Survival Signalling, Civil Aerospace Medical Institute. Public domain film from the US National Archives, slightly cropped to remove uneven edges, with the aspect ratio corrected, and mild video noise reduction applied. The soundtrack was also processed with volume normalization, noise reduction, clipping reduction, and/or equalization (the resulting sound, though not perfect, is far less noisy than the original). http://creativecommons.org/licenses/by-sa/3.0/ https://en.wikipedia.org/wiki/Distress_signal A distress signal is an internationally recognized means for obtaining help. Distress signals take the form of or are commonly made by using radio signals, displaying a visually detected item or illumination, or making an audible sound, from a distance. A distress signal indicates that a person or group of people, ship, aircraft, or other vehicle is threatened by grave and imminent danger and requests immediate assistance. Use of distress signals in other circumstances may be against local or international law... Maritime distress signals Distress signals at sea are defined in the International Regulations for Preventing Collisions at Sea and in the International Code of Signals... Aviation distress signals The civilian aircraft emergency frequency for voice distress alerting is 121.5 MHz. Military aircraft use 243 MHz (which is a harmonic of 121.5 MHz, and therefore civilian beacons transmit on this frequency as well). Aircraft can also signal an emergency by setting one of several special transponder codes, such as 7700. The COSPAS/SARSAT signal can be transmitted by an Electronic Locator Transmitter or ELT, which is similar to a marine EPIRB on the 406 MHz radio frequency. (Marine EPIRBS are constructed so as to float while aviation an ELT is constructed so as to be activated by a sharp deceleration and is sometimes referred to as a Crash Position Indicator/CPI). A "triangular distress pattern" is a rarely used flight pattern flown by aircraft in distress but without radio communications. The standard pattern is a series of 120° turns... Ground distress beacons The COSPAS-SARSAT 406 MHz radio frequency distress signal can be transmitted by hikers, backpackers, trekkers, mountaineers and other ground-based remote adventure seekers and personnel working in isolated backcountry areas using a small, portable Personal Locator Beacon or PLB... https://en.wikipedia.org/wiki/Distress_radiobeacon Distress radio beacons, also known as emergency beacons, PLB (Personal Locator Beacon), ELT (Emergency Locator Transmitter) or EPIRB (Emergency Position-Indicating Radio Beacon), are tracking transmitters which aid in the detection and location of boats, aircraft, and people in distress. Strictly, they are radiobeacons that interface with worldwide offered service of Cospas-Sarsat, the international satellite system for search and rescue (SAR). When manually activated, or automatically activated upon immersion, such beacons send out a distress signal. The signals are monitored worldwide and the location of the distress is detected by non-geostationary satellites, and can be located by some combination of GPS trilateration and doppler triangulation. The basic purpose of a distress radiobeacon is to help rescuers find survivors within the so-called "golden day" (the first 24 hours following a traumatic event) during which the majority of survivors can usually be saved. Since the inception of Cospas-Sarsat in 1982, distress radiobeacons have assisted in the rescue of over 28,000 people in more than 7,000 distress situations. In 2010 alone, the system provided information which was used to rescue 2,388 persons in 641 distress situations... https://en.wikipedia.org/wiki/Flare A flare, also sometimes called a fusee, is a type of pyrotechnic that produces a brilliant light or intense heat without an explosion. Flares are used for signalling, illumination, or defensive countermeasures in civilian and military applications. Flares may be ground pyrotechnics, projectile pyrotechnics, or parachute-suspended to provide maximum illumination time over a large area. Projectile pyrotechnics may be dropped from aircraft, fired from rocket or artillery, or deployed by flare guns or handheld percussive tubes...
Views: 11180 Jeff Quitney
Marine VHF (Channel 12/16) #marine #maritime #shortwave #swl
 
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Bristol Channel Radio is the home of radio signals received in the Bristol Channel area of the UK. The signals include HAM Radio, Air Band, ADS-B, Marine VHF, and various other non-commercial stations. The signals are received a short distance north of Chepstow, using an SDRPlay RSP2 and the SDRuno software. The UHF/VHF antenna is a stainless steel Royal Discone and the antenna for HF is a 20m Longwire with a 9:1 UnUn. This channel is provided for research and/or educational purposes, but general interest viewers are most welcome. Please go ahead and LIKE, SHARE, and SUBSCRIBE, your support is appreciated. Bristol Channel Radio do not claim any rights whatsoever on any rights protected material heard in any of it's live steams / videos. If any affected material is heard within any Bristol Channel Radio content, this is unintentional, and will be removed upon request from the rights owner/s. If you would like to use any content from this channel for any purpose (outside of general viewing on YouTube,) you MUST seek written consent from Bristol Channel Radio before doing so.
Views: 56 BCRLiveStream
Using a PC sound card to receive VLF radio signals
 
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Just connect an antenna to your computer's microphone input, and you can receive VLF (Very Low Frequency) radio signals! A sound card (or built-in sound chip) with a recording sampling rate of at least 96 kHz is recommended. Example of using this method to receive VLF signals from Russia and Europe: http://www.youtube.com/watch?v=fKSOoZ2vhvo SDR Sharp software (for Windows) to receive and record VLF (and many other) radio signals: http://sdrsharp.com/#download Similar SDR (Software Defined Radio) applications are available for Linux and Mac OS. Lists of VLF stations: http://sidstation.loudet.org/stations-list-en.xhtml http://www.smeter.net/stations/vlf-stations.php Common sources of radio interference and recommended solutions: http://www.ccrane.com/!wcjHVrOwu6BDBDjo39xwNw!/AM-Antennas About the accidental recording of VLF station GBR (16 kHz) contained on Mike Oldfield's "Tubular Bells" album: http://alancordwell.co.uk/personal/index.php http://gkircher.stormloader.com/vlfcd/ http://en.wikipedia.org/wiki/Rugby_Radio_Station
Views: 81876 VWestlife
How Does An Antenna Work? | weBoost
 
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*** It is with sadness that we share that Don, the person featured in this video, passed away in December 2017. Don was a Navy veteran and a valued member of our product engineering team since 2004. He will be greatly missed. Have you ever asked: How does an antenna work anyway? If you have, then you will want to watch this 4-minute video. We ask a guy who designs and tests antennas, Don with weBoost, how antennas work. In the video he explains how an antenna works and why. So whether you're just curious and want an answer to 'how do antennas work.' Or if you want a little background before shopping for the best antenna for your needs, this short video explanation by Don the Antenna Engineer is a good place to start. To learn more about signal boosters visit: https://www.weboost.com/us/ Subscribe to our channel to be in the know when we release our weekly videos. Including Tips, how-to and more. Read more on our blog: https://www.weboost.com/us/news/blog/how-does-an-antenna-work/
Views: 548922 weBoost
How Far Can A Marine Radio Transmit?
 
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Standing in the cockpit of a boat, the distance to the horizon for most adults is about three miles. Mount an 8-foot antenna so that its 12 feet above sea level, and the horizon increases to about 4.5 miles. Of course, weve all communicated farther than that with a VHF radio. Boaters often mount radios with the legal limit of 25 watts and, depending on height antenna, can reach communication distances as far 60 miles or more. Marine selecting a vhf handheld radio very high frequency wikipediahandheld 3 watt or 5 6watt? [archive] yachting and boating 30 miles? The truth about range buy two way radios. Marine vhf radio marine range how far can i transmit? Boating magazine. Googleusercontent search. That is, they can transmit and receive to from another antenna as long that is above the horizon. If hf, there are while hand held hf radios pretty few and far between today at various times in the past they were more common 50 watt radio range. Now this is just an estimate. Range of vhf radios moderated discussion areas continuouswave. A brief lesson on radio signal transmission is required to understand the whole range issue. There are lots of variables involved and no easy, definitive answer. Vhf radio transmit distance the hull truth boating and fishing how far can i talk range information freeway understanding vhf transmission distances. Can you describe where you're planning on putting your antenna, and perhaps how far want to be able transmit? Posted by toxic at 1 21 am vhf marine radios are monitored 24 hours a day the cost guard, essential in emergency situations. Marine vhf radios can also receive weather radio anyone give me an idea of the differences in range between cheaper 3 watt and 5 6 handheld vhf's? Radio horizon. When you depress the ptt radio becomes a transmitter when release returns 30 mar 2011 marine vhf radios work on line of sight basis. The ptt (push to talk) button located on the microphone or handset, controls which mode radio is in at that moment. Centainly, tall landscapes will interfer, but is this a good general rule? Charles smyrna, tn what would be the average miles at most 5 watt handheld radio transmit? Thanks. Marine vhf radios us coast guard auxiliary. A rough guide of the transmission distance over a clear, across water, path with no obstructions headlands, vegetation etc can be calculated using nautical text book nories tables and referring to my two 5 watt shakespeare se700 handheld radios have range three miles (one radio communicating another, identical radio). The vhf band is the first at which efficient transmitting antennas are small enough that they can be mounted on vehicles and portable devices, so used for two way land when semi duplex used, voice only carried one a time party boat must press transmit button speaking. So if, for instance your antenna height is 60 feet, the distance it can transmit before runs into horizon 9. Range square root of the height above water to tip antenna times 1. What is the m
Views: 250 Rhiannon Berti Tipz
Fusion Marine Radio RA770 & SRX400
 
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Mr. Todd Crocker from Fusion Entertainment gives us an overview on the new RA770 and SRX400 headunits, as well as a little insight on the new feature called "Party Bus".
Views: 956 ReelTeaseFishing
VHF Marine Radio - DSC Radio USCG- Pt. 2
 
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How does DSC Work? Part 2 - Marine Radio DSC Course for emergency radio operation - US Coast Guard Humboldt Bay Ca. April 22nd 2009 Information on the operation, of DSC (Digital Selective Calling) for Maritime operation. Lt. Parkhurst, USCG discusses the operation of MMSI and other information - Part 2 For more information and documentation, visit: http://www.humboldttuna.com
Views: 10767 RadioLabs

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