Yes, and if the relay is not fast enough, you will TX RF right into the
receiver. It may be momentary, but still potentially dangerous. The DX
Engineering RTR does not have the problem
George, W6GR
Sent from my iPad
> On Nov 9, 2014, at 10:29 AM, Don Rasmussen via TenTec <tentec@contesting.com>
> wrote:
>
> Carl, Is there a document for the mod anywhere? Photo, etc.
>
> =================================================
>
> The MFJ 1708 schematic shows the relay in the transmit position which is
> contrary to what it says in the diagram. Without the jumper, in receive only
> the panadapter receiver would be connected to the antenna, not the
> transceiver. Adding the jumper between the antenna and transceiver causes the
> transceiver to be always connected to the antenna which is exactly what you
> want. In transmit, the relay still grounds the panadapter antenna and removes
> it from the antenna which again is exactly what you want.
>
> Carl Moreschi N4PY
> 58 Hogwood Rd
> Louisburg, NC 27549
> www.n4py.com
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