How many amps does a VHF radio draw?
Although smaller units have a fairly low draw of perhaps 200 milliamps, some larger models can pull up to 1.5 amps, even in standby mode. On a passage your VHF is on twice as long as normal—24 hours instead of 12—so you have to keep that in mind.
How far will a 6 watt VHF radio transmit?
At VHF frequencies, 15 mile range between two handheld radios with rubber duck antennas is about the limit. – if both of you are on mountain tops with clear line of sight of each other.
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.
How far will a marine VHF radio 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.
Are Baofeng radios being banned?
Here is a reminder on an upcoming rule change by the FCC: On September 30, 2019, it will become illegal to sell or “offer for sale” (advertise) radios like the popular Baofeng UV-5R that can operate in the FRS radio band (462.5625 – 462.7250 MHz) and any other licensed band in a single device.
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.
Can I use VHF radio 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).
Why are BaoFeng radios so cheap?
One of the reasons the Baofeng UV-5R radios may be so inexpensive is they are not aimed at a specific Niche, therefore they save money on big advertisements and promotions like the ham radio equipment manufacturers like Yaesu Icom and kenwood. They also do not test and advance any technology.
How far does a VHF radio reach?
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.
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 .
Do I need a Licence for a VHF radio?
The Marine Radio Short Range Certificate remains a legal requirement for the use of marine VHF. All radios require the user and the vessel to hold a relevant licence. The vessel’s licence is like a car tax disc, but is also the key to obtaining an MMSI number, which will uniquely identify your vessel.