[TowerTalk] Intermittent on Receive Only

[Chuck Dietz]

If there is any sort of relay box in the line, you might try "hot
switching" the relay with 50 watts or so.

Chuck W5PR

On Thu, Sep 16, 2021 at 8:04 AM <john at kk9a.com> wrote:

> This can be an annoying problem. It is a bad connection somewhere and
> usually a little RF will temporarily improve the connection. It could also
> be a bad T/R relay in your transceiver or amp. To help trouble shoot the
> antenna system you need to determine what antenna settings cause this
> condition. For example, if it occurs on all bands and you are using an
> external rely box the problem is likely in the relay box or the feedline
> going to it. If it occurs on only one antenna it is likely related to its
> balun or feedline.
>
> John KK9A
>
>
> Pete Smith N4ZR wrote:
>
> One of my antennas has a problem on receive, where the strength of
> signals will abruptly drop for a second or less and then spontaneously
> return to normal.  However, when I transmit on the antenna, it never
> shows any indication of an intermittent connection, even at 1500 watts -
> the SWR is still 1.1:1.
>
> Is this a well-known way in which a connector problem can manifest itself?
>
> --
> 73, Pete N4ZR
> Check out the new Reverse Beacon Network
> web server at <http://beta.reversebeacon.net>.
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>
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