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Hello. Was wondering if anyone has any plans or ideas for a Varible power supply for up to 500 or 600 volts. I have a varible transformer (variac) for a Hp712a power supply, for adjustmet,

I just put them up on ebay, ,, thanks again fro everyones help

Thanks Alot Everyone!

Hello. Does anybody have an idea what these are in the pictures. I Found them in a job lot and there isn't a name on the. There is some kind of logo on the tho. Check out the pictres.

I need to build A antenna Relay, but I'm having a hard time finding infromation. pehaps I'm just not looking in the right places. Anybody have any tips or ideas?? thank you

Hello, I'm looking for infromation about getting a few extra channels out of a trc480.

I wasn't sure how to put the pictures in the reply, but if you go to my profile I created an album with the heath kits,,, the where easy to do, I hvae the hallicrafters all over the place, but I will get a picture,

i have a heath kit mohawy rx1, an apache tx1, and a worrier ha-10 i also have a heath kit hw-101, and about 30 hallicrafters and national receivers

sweet,, cooling fan,

i've been pooking around it, and i think it may be the choke that is humming,

the 866's are rectifiers,

I have a scanner antenna on the same mass with my cb ant above it. Some times the scanner locks up, and other times it doesn't. I find other scanners don't lock up at all, while my bear cat 200xlt locks up on ever channel. However I must admit your antennas will probably be much farther apart...

Hi, I recently picked up a full Mohawk station which came with a HA-10 linear amplifier. I have looked at the schematics, and researched the amp, and I understand that they where not built with the relay, however in mine there is an mechanical switching unit right before the output jack, does...