"Hank Zoeller" wrote in message
...
Bob VK4BYX wrote:

Do you need to
pressurise with nitrogen to achieve full specs of 1KW average power?



Me? I use
nitrogen.

I have used a company called Air Liquide. They have all kinds of gasses in
all size tranks with gauges, hoses, fittings, etc. No preference for them
.... it just worked that way.