It was one of these: Wireless Set No. 19 - Wikipedia and power came from a dynamotor.
And yes it was carried from the car park to the summit. It was not very far! But far enough according to those who carried it and the many 12v car batteries 
I had to look that one up as I was thinking of the Angry 9. I do like the GRC-19’s power draw of 45A at 24-28V The picture I saw just on the interwebz showed one in the back of a Jeep. So did Jeeps have 24V electrics? Or where there 12 and 24V models depending on use?
This is one of the better photos to find on the reflector, stay young sir!
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Great job with the PRC2000.
i use the sister radio, PRC319, it has the same 3rd Method of SSB generation (The Weaver method).
It was built at MEL in 1989. 50W with a counterpoise.
Paul w0rw
Colorado
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