To test your radio’s DSC operation, find a friend’s boat that also has an MMSI number. Enter that number in your radio’s address book. Then select and send to that number; an audible tone will sound and your ID will appear on your friend’s radio’s display.
How do you test a VHF?
You are encouraged to check your VHF radio by calling the station in your area. When you transmit on its channel, you will hear a recorded response and then hear a playback of your voice verifying that your radio is transmitting, modulating and receiving.
How do you check a VHF marine radio?
Turn radio to one-watt power setting, and key the microphone. Call “radio check” three times, followed by your boat name and location. Wait for a reply confirming someone has heard your transmission.
What VHF channel should I use for a radio check?
The proper way to undertake a radio check is to contact the coastguard on the appropriate channel. In the Solent area Channel 67 is used.
How do I test my VHF antenna?
You can also test the antenna by disconnecting it from the radio and seeing how its signal weakens or disappears. Slowly reconnecting just the tip of the coax connector should slowly increase the signal.
Do marine radios need a VHF Licence?
Anyone who uses a Marine VHF Radio needs a licence. … If you need a radio, you may need both a radio licence and an operator’s licence. This depends on the type of radio you have and how you use it. Once installed in a vessel, a marine VHF radio requires a ship’s radio licence.
Can you use VHF radio on land?
Marine VHF radios, whether fixed or handheld, may not be used on land, period. It’s the law. Once a VHF radio goes ashore, it cannot be used for marine band transmission (without a Coast Station License).
How far does VHF transmit?
Your VHF radio is intended mainly for short range communications, generally 5-10 miles, and at least 20 miles to a USCG station. To communicate at longer ranges, you will normally need a satellite telephone or an MF/HF marine radiotelephone.
What is the frequency of very high frequency?
VHF, in full very high frequency, conventionally defined portion of the electromagnetic spectrum including any radiation with a wavelength between 1 and 10 metres and a frequency between 300 and 30 megahertz. VHF signals are widely employed for television and radio transmissions.
How do you test MMSI?
Instead, you may run a test call to the nationwide Coast Guard MMSI number, 003669999. Enter this number into your radio’s calling memory and select the “Test Call” option from the radio’s list of individual DSC calls, then press the “call” or “enter” key.
When should you send urgency messages?
(a) The urgency signal indicates that the calling station has a very urgent message to transmit concerning the safety of a ship, aircraft, or other vehicle, or the safety of a person. The urgency signal must be sent only on the authority of the master or person responsible for the mobile station.
What do you say on a VHF radio?
And other boaters will certainly take you more seriously.
- Proper calls on the VHF Radio start with repeating the name of the boat you’re calling and the name of your own boat a full three times. …
- When you’re done speaking into the mic, say “over.” …
- Use the NATO phonetic alphabet when speaking letters.
Does Sea Tow radio check work?
Sea Tow Automated Radio Check System No Longer Available -BoatBeat. For several years, Sea Tow operated an Automated Radio Check System, which was available on VHF Channels 24 to 28 for the benefit of mariners in over 130 locations. However, on October 2nd, 2020 that service was discontinued.
What do you say for a radio check?
INITIATING A RADIO CHECK The person initiating a radio check should say: • The callsign of the station being called. The words “THIS IS.” • The callsign of the station calling. The prowords “RADIO CHECK” (meaning, “What is my signal strength and readability? How do you hear me?”)