Contents
How far apart should HF antennas be?
The easy answer is that you should maintain a minimum mounting distance of at least 1/4 wavelength apart for the lowest frequency antenna within the same horizontal plane.
What is the range of VHF antenna?
Very high frequency
| Frequency range | 30 MHz to 300 MHz |
|---|---|
| Wavelength range | 10 to 1 m |
Can high SWR damage a radio?
Sure, it’s possible. High SWR can reflect enough power back into the radio to create enough heat to cook the final RF transistor. It isn’t usually an immediate failure, it takes some time for that heat to build up and do damage.
How far can a VHF signal travel?
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.
How to find out about HF, VHF and UHF antennas?
Read the following to get more information about out HF, VHF and UHF antennas. If you have any questions regarding these types of antennas, you can contact us via phone +45 43 33 16 20 or e-mail [email protected]. The three types of antennas mainly differ in their reaching distance.
What kind of pole does a vhf73 scan antenna use?
On 1″ threaded pole (G1″-11 thread) with Revolving Nut Kit or on optionally brackets Bulk paking or individually packing in Polybag or Carton tube (See “ORDERING INFORMATION”) Every effort has been made to ensure the accuracy of the information in this product sheet.
When to use a very high frequency antenna?
Very High Frequency antennas are not as large as HF antennas. However, they can transmit more data within a smaller range of kilometres. They are often used to communicate from one point to another, which makes them relevant when ships need to communicate with other ships.
What kind of antenna is used for VHF TV?
THE (VHF) DIPOLE ANTENNA At VHF and UHF, most antenna systems are derived from the dipole or its complement, the slot antenna. Many antennas are based on half-wave dipoles fabricated from wire or tubing.