Marine radio frequencies

What are the marine band frequencies?

It uses FM channels in the very high frequency (VHF) radio band in the frequency range between 156 and 174 MHz, inclusive. In the official language of the International Telecommunication Union the band is called the VHF maritime mobile band.

What marine radio channel should I use?

For VHF, use channels 72, 73 or 77 when working with other vessels. When calling and working with a coast station use channel 73. Calling and working frequencies for HF marine radio are in the maritime ship station LCD .

What is the range of a VHF marine radio?

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.

Can a marine VHF radio be used on land?

That’s illegal. 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 do I know what frequency my TV is on?

A: A TV channel, such as 2.1, 4.1, or 5.1, might be displayed on your TV, but that does not mean it is a VHF frequency. You can locate the actual broadcast frequency channel at www.tvfool.com. Select the TV Signal Locator and enter your home address.

How far will a 25 Watt VHF radio transmit?

Under normal circumstances, as far as the horizon. In general terms this is around 30 miles from the point of transmission. However, the key considerations are the height and efficiency of the antenna. Higher means further.

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How do you talk to a marine radio?

To use your VHF, turn it on and pick a channel, set the squelch to the point where you don’t hear any white noise, and begin talking. Things to remember when you are on the radio: Monitor channel 16 when you are not actively in conversation with someone else.

How do you check a marine radio?

It’s simple to use:

  1. Automated Radio Check Service uses one of VHF Channels 24, 25, 26, 27, 28, 84. Simply tune your radio to the proper channel for your community.
  2. Conduct a radio check as you normally would.
  3. Upon releasing the mic, the system will replay your transmission, letting you hear how you sound.

What is a marine radio call sign?

The call Sign is transmitted through VHF radio alongside the MMSI. This is a unique identifier containing both characters and numbers. The purpose of the Call Sign is to identify vessels, sometimes vessel names may be similar or the same, but the Call Sign helps identify which vessel is which.

How far will a 5 watt VHF radio transmit?

With VHF and UHF, . 5 W will provide maximum achievable range in most conditions. That is because “maximum achievable range” is the horizon, which on average handheld-to-handheld is around 2 miles.

Is VHF better than UHF?

In general, UHF radios are better for indoor use because their wavelengths are shorter and better able to penetrate through steel and concrete. UHF radios broadcast at between 300 MHz and 3 GHz. VHF radio signals tend to degrade more than UHF signals indoors.

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Can I use a marine radio in my car?

Mounting a marine radio in the car is not the issue. Transmitting with the radio is. Unless your on the water (NOT NEAR IT) you cant use a marine radio without a shore use license.

What is a Class D VHF marine radio?

DSC capability for VHF marine radios used by recreational vessels and other vessels not required to carry a VHF DSC radio. Class D required capabilities include: Distress call. All-ships call.

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