Your right John
but remember many hams were kids saving dimes from collecting old newspapers,, 34 was in the middle of the depression and MOPA used a lot of parts and over all considering he is keying the xtal not a bad sounding signal for real fun check the Antique Wireless Association OT contest,, should be a pre 30 rig design and using a 45 was High Power,, a 27 worked almost as good,, the power isset to be under 10 watts for the contest and my 80 meter Harley will chirp out of a modern rcv bandwidth although that really is excessive HAR many guys have surprisingly stable rigs with just a handful of parts real fun is listening to guys trying to get them on frequency Bob K3DJC On Wed, 21 Mar 2012 09:24:07 -0400 John Ragle <tpcj1...@crocker.com> writes: > The 6L6 keyed oscillator shown in the Flickr page is certainly a > lovingly-crafted piece of artwork, but I am a bit skeptical about > the > implication that a techno-adept ham of the late '30's would have > been > pleased by the chirp. After all, the 6L6 first appeared in 1936, and > by > then the 'x' and 'c' of the RST/x/c reporting scheme was probably > already in use. Keying an oscillator working directly into an > antenna > was understood to be a poor idea. The MOPA idea was around long > before > the 6L6. There is a QST article in 1934 illustrating the general > idea of > a 2-stage transmitter, and the idea was known long before that. > > John Ragle -- W1ZI > > ===== > > On 3/21/2012 8:46 AM, Bill Hammond wrote: > > Many will enjoy the video and photograph in the attached link to > my Flickr page. It features a photograph of a beautifully crafted > 1930's designed single tube transmitter and how it sounds on a state > of the art crafted K3 :) Click on the K3 to hear VE7SL/QRP. > > http://www.flickr.com/photos/ak5x/ > > > > Steve, VE7SL is the craftsman of this beautiful transmitter and > has just posted details on his web page (link below). > > > > Steve's construction, circuit and historical details: > > http://members.shaw.ca/ve7sl/tritet.html > > > > 73, > > Bill > > > > Bill Hammond > > wham...@aol.com > > Bill Hammond-AK5X > > a...@mac.com > > a...@sbcglobal.net > > K3 #69 > > P3 #817 > > KPA500 # 149 > > K2/100 #4637 > > K1 #2033 > > KX1 #1023 > > T1 > > > > ______________________________________________________________ > > Elecraft mailing list > > Home: http://mailman.qth.net/mailman/listinfo/elecraft > > Help: http://mailman.qth.net/mmfaq.htm > > Post: mailto:Elecraft@mailman.qth.net > > > > This list hosted by: http://www.qsl.net > > Please help support this email list: > http://www.qsl.net/donate.html > > > > > > > > -- > Sent from my lovely old Dell XPS 420 > > ______________________________________________________________ > Elecraft mailing list > Home: http://mailman.qth.net/mailman/listinfo/elecraft > Help: http://mailman.qth.net/mmfaq.htm > Post: mailto:Elecraft@mailman.qth.net > > This list hosted by: http://www.qsl.net > Please help support this email list: http://www.qsl.net/donate.html > ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html
