Ten Tec assembled, and it appears to work!

Ten Tec 1056
Well, I decided to tack together my Ten Tec 1056 receiver kit. It took me about three hours to assemble. It was pretty straightforward to assemble, only one thing confused me: a group of three resistors which were supposed to be 220K ohms didn’t seem to be in the package, however, a quick inventory found three otherwise unused ones which were all 160K. So, I used ’em. I was also a bit concerned that when I tested the audio stage half way through assembly, I could hear the 60hz buzz when touching one of the resistor leads, but tweaking the bandpass control didn’t seem to help modify the noise background. I harumphed, but decided to just press on.

It took me a while (and a brighter light) to find the final two capacitors (they include a bunch, so you can build it for any band). But finally, my squinty eyes revealed the right components and all seemed to work. I hooked it to my old 13.8 volt regulated supply, added 20 feet of random wire as an antenna, and cautiously powered it on.

I heard the rush of noise. It’s got plenty of audio gain. Turning that down, I tweaked the main tuning inductor, and… voila! Morse code signals!

I’ll tweak it around some more, get it in a case, and wire up some connectors so I can hook it to my dipole. But so far, mission accomplished!

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