Technical Articles

Video: How to Combat 2-Meter Interference on a Hilltop

SOTABeams’ Richard, G3CWI, discusses how to identify and remedy 2-meter interference when operating from a Summits On The Air (SOTA) location.

Will attaching a better antenna do the trick? Find out why that’s the last thing you want to do. Topics also include how desensitization of your HT’s receiver can wipe out signals from even the strongest station; problems with HTs that have insufficient filtering; why you can experience blocking even on a hilltop with no transmitters; methods such as use of a rubber duck antenna; and the best solution—employing a bandpass filter to improve performance in severe RF environments. See SOTABeams’ Bandpass Filter for 2 Meters available at DXEngineering.

Check out all the tips and tricks in this essential video for VHF operators.

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