In article ,
Wayne.B wrote:

Having the whip antenna as a backup is not a bad idea for an offshore
boat, and you may find the performance to be just as good or better.
You could do the change over manually to eliminate the need for a
switch. The only drawback I can think of is the possibility that the
mizzen boom is long enough that it could contact the whip.

Another drawback to any switching of antennas external to the autotuner
is that you defeat the purpose of the autotuner antenna memory function,
in that you now have two different antennas the tuner is trying to tune
for the same frequency, and the tuner can only store one set of
data/Freq tuned. Makes for a lot of Relay chattering and the relay
points have ALWAYS been the weakest link in autotuners. Something most
noncommercial users never think about. Don't try that on a SGC Tuner,
or you will have it InTransit to the factory, more than installed on the
boat, especially in installations on metal hulled vessels with short
(less than 35ft) antennas on MF Frequencies.


Bruce in alaska
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add a 2 before @