For example, a 25-watt marine radio will roughly have a maximum range of
60 nautical miles (111 km)
between antennas mounted on tall ships, but that same radio will only have a range of 5 nautical miles (9 km) between antennas mounted on small boats at sea level.
How far will a 50 Watt VHF radio transmit?
If one station is higher than the other, the answer will be greater than
11.2 miles
. Providing that there are no obstacles between the two stations (buildings, hills, mountains, etc.) it should be possible to cover this distance with only 1W.
How far will a VHF radio go?
VHF marine radios are monitored 24 hours a day by the Cost Guard, and are essential in emergency situations. Boaters often mount radios with the legal limit of 25 watts and, depending on the height of the antenna, can reach communication distances
as far as 60 miles or more
.
What is the maximum range of VHF radio?
VHF includes radio waves from 30 MHz to 300 MHz. VHF waves must not exceed the local radio horizon of
100 miles
. VHF frequencies are less likely to be interrupted by atmospheric noise, issues with electrical equipment, and other interferences.
What is the range of a hand held VHF radio?
For normal handheld use (at five-watt transmit power), figure on a
three-to-eight mile range
from a small boat, compared to 15 to 20 miles with a fixed-mount radio (at 25 watt transmit power.)
What two way radio has the longest range?
- Midland GXT1050VP4 Long Range Two-Way Radios. Key Features: Range up to 36 miles. …
- Midland LXT600VP3. Key Features: …
- Motorola Talkabout T460. Key Features: …
- Midland LXT600VP3. Key Features: …
- Midland LXT118VP. Key Features: …
- Cobra PR562BLT. Key Features: …
- Uniden BCD436HP. Key Features:
Is VHF radio line of sight?
VHF radio waves
propagate mainly by line-of-sight
, so they are blocked by hills and mountains, although due to refraction they can travel somewhat beyond the visual horizon out to about 160 km (100 miles).
How far can a 5 watt radio transmit?
The 5 watt radio can reach up to
12 miles or more
. Some handheld radios have 6 watts which can reach up to 20 miles in the right conditions.
How far can a 2 watt radio transmit?
So, a 2-watt walkie-talkie might broadcast within a range of
1.5 miles
; 3 watts = 2 miles; 4 watts = 2.5 miles; 5 watts = 3 miles; and so on. Actual distances may vary widely based on weather, UHF vs. VHF, etc. But these are good, general rules of thumb to go by when shopping for a new radio system.
How can I increase the range of my VHF radio?
The range of your VHF radio can be
extended by elevating your antenna, increasing the quality of contact
. While many challenges in a tactical environment can be avoided, in most instances terranean features aren't one of them.
What should I look for in a hand held VHF radio?
- Make Sure It's Waterproof… And Floats! …
- Screen Must Be Easily Viewable In Daylight… And Battery Should Last. …
- Ability To Double As A Search-and-Rescue Tool. A handheld VHF should always be ready to go.
Is VHF or UHF better?
VHF has smaller frequencies which means interference with other radios is common.
UHF
, on the other hand, is an all-around better signal for long distance communication. UHF is better when using radios for indoor use like buildings or around cities.
Does VHF radio work 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).
What is the most powerful 2 way radio?
The
MXT400 MicroMobile
is the Most Powerful GMRS Radio and Perfect Long Range Solution. This radio boasts 40 watts of broadcasting power with a 65 mile line-of-sight range.
What is the maximum range for walkie talkies?
| Terrain Geometry Actual Range | Mountains Peak to Peak 5 to 25 miles | Peak to Valley 3 to 10 miles |
|---|
Which is better DCS or Ctcss?
Compared to CTCSS toneS, the code speed is faster, the bit error rate is lower, and much users in the same channel. …
DCS is newer than CTCSS
, and has more codes. This gives a lower chance of picking the same code as someone else. The different between CTCSS and DCS.
