Long long ago when I was still a teenager and knew everything, I used an extra J-38 mounted on a piece of plywood for a footswitch.  As I remember it worked quite well.  I don't remember what sort of plug the TX required but I must have made it work.  Awful lot of traffic here for a SPST foot-operated switch. [:-)

73,
Fred ["Skip"] K6DGW
Sparks NV DM09dn
Washoe County

On 4/16/2019 10:18 PM, Walter Underwood wrote:
The last time this was discussed, there were many satisfied users of the 
Linemaster Treadlite II foot switch. Here is one with an un-connectored cord. 
As you check out the reviews on the variations of the Treadlite II, you’ll find 
the “yeah, had one on a drill press for twenty years” reviews.

https://smile.amazon.com/gp/product/B002P53WQM/

wunder
K6WRU
Walter Underwood
CM87wj
http://observer.wunderwood.org/ (my blog)

On Apr 16, 2019, at 9:13 PM, Don Wilhelm <[email protected]> wrote:

Gee folks, we can build our own transmitters and amplifiers and experiment with 
them on the air.

Why is it so hard to get an RCA plug, cut off the 1/4 inch phone plug and 
solder on an RCA plug?
Much easier than searching for an adapter.

73,
Don W3FPR

On 4/16/2019 9:05 PM, Michael Gillen via Elecraft wrote:
Hi guys! I searched around a bit nothing conclusive so thought I’d ask.
I am needing a foot switch for my K3s which is also connected to my 
KPA500/KAT500 setup.
I purchased a Heil FS-3 however it has a 1/4” phono plug on it and the K3s has 
an RCA jack (like a dummy I did not look at the back of the radio before I 
bought it).
So, recommend an adapter or I can take this one back to HRO and get something 
else?
Recommendations?
Thanks,
Michael
KK6RWK
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