[TenTec] Jupiter 538

Mike Bryce prosolar at sssnet.com
Sat Feb 25 10:25:50 EST 2023

Snow…. and the group

If I recall, when you press the tune button, you only get 12ish watts out.

sent mode to cw
either key the rig or press the PTT on the microphone. That will give you full power.

also… again from memory, press tune and then you can adjust the output via the multi control.

I suspect there’s nothing wrong now with the Jupiter

Mike, WB8VGE
SunLight Energy Systems
The Heathkit Shop
J e e p

A man with one clock knows what time it is. A man with two clocks is never sure.

> On Feb 25, 2023, at 7:52 AM, ROLAND HOWELL via TenTec <tentec at contesting.com> wrote:
> A further update on the Jupiter, having changed both filters ( FL2 and 3), if you have been following this then you will remember that they had a white fur on the outside, so i ordered replacements, fitted them today, now i have whole ( no intermittently) 12Watts of RF when pressing the tune button, a vast improvement on the intermittent 2.5Watts that i had previously.
> So now to take the PA stage off the radio and investigate the reduced power problem, when my new mutt is not so demanding and allows me to go into my shack.
> If the RF power fuses (MRF454,s x 2) or the driver trannies ( don't know what they are at the moment, probably be MRFxxx or something) have died then more expense.
> As always, advice and suggestions always appreciated
> Snowy
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