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Hard to get nowadays. https://www.iw1pur.com/Download/TL922eng.pdf

Looks like that

If all is adjusted properly there is nothing to monitor. Mike

Post schematic, I will show you how to do that.

Rebuilding amp? That Texas Star you have was designed by complete idiot with zero RF circuits knowledge. Get better amp and get rid of that crap. Mike

So it is shitty amp with bad tuned input circuit. Output probably too. Junk amp. Mike

SWR rise when amp is ON or OFF?

To test RX put small signal generator a kilometer away or so. (TinySA) To test TX use field strength meter, TinySA or similar. Mike

SCU have nothing to do with SWR. Check your antenna system

My first and only QRP rig: IC-705. Brilliant technology. Only thing that annoys me is connecting speakerphone. Why no regular mic socket? Mike

Very good SSB filter they had installed. Much narrower, than in chickerbanders.

Another step to implement the digital passport (ID) 1984 was not SF, but prophecy. Mike

I use blue plastic pipe used for water plumbing. Cut it lengthwise. Mike

Celcius

I have -13 to -18 overnight since two weeks here :) -8 or 10 during day. Want trade? Mike

Vertical endfed antenna compared to GP always lose. Imax, Antron were explained, modelled and so on, there nothing more to add. In Maco I would add more radials, since it is current fed antenna with maximum current at the bottom. It will improve it's performance. Of course antenna should me...

That proves only how good was propagation at the time. Nothing else. Mike

So coax is part of the antenna. On RX and TX. It is possible, that antenna is not picking the noise, but coax is. Another thing is proximity of the antenna to metallic objects, the way the coax goes and so on. Some reading: https://www.w8ji.com/common-mode_noise.htm...

Dipole is horizontal or vertical? Witch 1:1 balun, choke? Mike

Nice dummy load.