[Elecraft] [K3] RX ant without KXV3?

[Keith Trinity WE6R]

There are two jumpers on J66 (either wire ones in the socket,,, OR on 
OLD boards, you cut jumpers on the RF board).
See schematic and see the silk screen for jumpers W1 & W2

It is nice to have a receiver there because it bypasses the LPF 
circuitry, a MUST for Lowfer operation!
I jack IN there for testing boards.
**Remember the TX goes thru that too, so you would have to manage that too.

HOWEVER:
I have upgraded MANY radios to the new KXV3B, so there are PLENTY of 
folks that have their old KXV3 boards!
You might also need:
Escutcheon E100224SS
Two longer bolts E700177
Might as well get the IF out cable too E850292
Keith WE6R