This K3S stack is gone and is nostalgic history now. I happily worked on it for 5 years.
Elecraft K3S with KPA500 Wt is transmitting:

Camping north to Pemberton, British Columbia. Elecraft stack is under the tent:

500 watts power is supplied by Honda EU2000i generator:

7QP 2017 contest in the Pacific North-West. CW operator:

On the phone: