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Forums » Tech and Talk » Technical » Ham Radio » Crystal grinding: When electronics were REALLY hands-on
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« License Renewal Question  
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Splitpair
Premium
join:2000-07-29
Cow Towne
Crystal grinding: When electronics were REALLY hands-on

PLL whats a PLL?

»www.edn.com/blog/1470000147/post···78714900

Wayne


drjim
Premium,MVM
join:2000-06-13
Torrance, CA
clubs:
DUH! I haven't done that since my Novice days! Valve grinding or rubbing compound for a big change, toothpaste for a small one!
--
One man's Magic is another man's Engineering.

jacour

join:2001-12-11
Ypsilanti, MI
·Comcast

reply to Splitpair
I used to live in Chicago and belonged to ham club that had an informal breakfast every Saturday. The club was filled with old farts in their 70's and 80's who had grown up during the depression and went on to work at Motorola and other electronics companies. A lot of them did time in WWII as telegraphers. I really miss the stories they told. Two that stand out:

One guy used to troll the alleys looking through garbage cans for parts like wire. He also claimed to have made crude tubes out of old medicine vials. Now that was hands on homebrew.

The other was a guy who was drafted during the war and assigned to a communications unit. There were two kinds of jobs in his unit; one was sending and copying code and the other was climbing telephone poles to play with wires. If you could not copy code at 13 WPM by the end of the eight week training program you were assigned to climbing poles. Apparently the life span of those up on the telephone poles was severely limited since they tended to attract sniper file; and he needed no further incentive to get up to speed.


AMD Phreak
Please do the needfull
Premium
join:2003-12-14
reply to Splitpair
Nice find. About 6 months ago or so we ordered a custom-ground XTAL filter for a job..... They still make them, and they still take forever to grind and ship them!
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