The Heathkit AT1 has a Colpitts 6AG7 0scillator. Just helping to solve the mystery...
Chuck Hawley [email protected] Amateur Radio, KE9UW aka Jack, BMW Motorcycles ________________________________ From: [email protected] <[email protected]> on behalf of Eric Norris <[email protected]> Sent: Thursday, April 30, 2020 1:18 PM To: [email protected] <[email protected]> Cc: elecraft@mailman qth. net <[email protected]> Subject: Re: [Elecraft] OT: The Colpitts mystery I took my Novice exam from another ham in 1972, but my general and advanced at the FCC in 1977 or 1978. 73 Eric WD6DBM On Tue, Apr 28, 2020, 9:27 PM Jim Brown <[email protected]> wrote: > On 4/28/2020 4:16 PM, EricJ wrote: > > but some time in the mid-50s it was given over to volunteer hams. > > My memory is that it was a LOT later than that. I'd guess late '70s to > early '80s. > > 73, Jim K9YC > > ______________________________________________________________ > Elecraft mailing list > Home: http://mailman.qth.net/mailman/listinfo/elecraft > Help: http://mailman.qth.net/mmfaq.htm > Post: mailto:[email protected] > > This list hosted by: http://www.qsl.net > Please help support this email list: http://www.qsl.net/donate.html > Message delivered to [email protected] > ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:[email protected] This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to [email protected] ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:[email protected] This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to [email protected]
