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grounding a HF Whip
Hello! I'm performing maintenance on several HF whips. The directions
call for megging the HF antennas to make sure the resistance to ground is greater than 200 M Ohms. How critical is this measurement. Sometimes, the Meg reading has gone down to 86 K ohms, before being replaced, but, the boat still has good comms. Also how important is it to have a good ground on these antennas. I do not know a lot about antenna theory, but it would seem to me that a good ground would be important for small UHF antenna using a ground plane, not a 35 ft whip. However my boss says that by ensuring the antenna base has a good ground, the megger reading will somehow go up. This I do not understand. How someone can answer my questions, and tell me which of us is right Thanks -Regards |
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