----- Original Message -----
From: "Dave Brown" <
[email protected]>
To: <
[email protected]>;
"Discussion of the Lowfer (US, European, & UK) and MedFer
bands"
<
[email protected]>
Sent:
Wednesday, February 28, 2007 6:51 AM
Subject: [Lowfer] Protecting E probe
antennas in near field of LF TX antennas
> Has anyone done
anything along the lines of the subject line using a
> mechanical
switch/relay arrangement?
> I expect that any electronic method would add
considerably to the
> capacitance from the probe 'antenna' to ground so
the best option
> would seem to be to use something like the mechanical
arrangement in
> the old Dow-Key coax relays that had the 'isolated'
receive side
> contact. This will require a relay of some sort in the E
probe that
> operates to remove the protective earth only when on
receive. I'm
> still mulling over the best mechanical arrangement to
implement this
> scheme-all ideas most welcome.
> 73
> Dave,
ZL3FJ
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