[Elecraft] K3 + TrxPtc

[Dr. Werner Furlan]

hi Wayne, 

we have had a discussion about adding a Pactor controller to the K3 earlier.

Now when my K3 was complete with all parts I wanted to add I jumped in 
and added a TrxPtc. There is enough room behind the IO and XVR boards 
to add the TrxPtc board. Behind the main board I had to drill one 3mm hole 
into the KRX3 top cover to attach a standoff for the Bluetooth module. (the 
hole for the second standoff is already there)
I used the hole for the REF input to add an SMA antenna socket for the 
bluetooth antenna. To switch the Ptc on and off I had to drill a hole into the 
back panel beside the fans, just below the 20A switch. Above this fuse I had 
to drill another hole for a 5mm Duo LED for a visual feedback on the status 
of the Ptc and the BT connection. 
All in all the task was not easy but it could be done without damage to the K3 
and it works great. The K3 does a really good job in Pactor with a clean 
signal and vy good RX quality which gives a fast throughput especially in 
Pactor 3 mode. I'll look at the transmitted spectrum later, I don't have the 
necessary equipment. 

I want to thank Detlef DL1GJ, who was very helpful with sharing his 
experience  (he was the first I know who built the TrxPtc into the K3) and he 
also gave me the SMA connector + antenna) and to Martin, DL1ZAM from 
SCS for technical assistance and Gary from Elecraft support who 
encouraged me to drill the holes ;-)

I really have to bow my back before you and your team for this wonderful 
radio, which is so well constructed that even an amateur like me is able to 
add something for his needs - and it works!

73! de Werner OE9FWV


-- 
Growing old is inevitable; growing up is optional.


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