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>> Once again SAQ, the wonderful old radio station at Grimeton, Sweden, was
on the air with a Christmas Eve broadcast. This rig is the predecessor of all of our modern CW rigs, producing clean high-power CW signals back in 1924, long before vacuum tubes were up to the job. << For the first time I tried VLF and listened to the SAQ transmission this morning. Being on a distance of about 450 km I was using my laptop with a 15 meter wire hooked up to the mic input and Spectrum Lab as a software RX. Picked up SAQ Grimeton fairly good with a 559 report. This was a new experience for me, never used my IBM as an RX before :) I also had good copy of the russian military transmission on 18.1. Merry Christmas & 73 de Björn /SM0MDG _______________________________________________ Elecraft mailing list Post to: [hidden email] You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com |
In reply to this post by AC7AC
Ron D'Eau Claire wrote:
> Some recordings of Fessenden's early transmissions (done on > wax Edison cylinders) available on line at > > http://www.hello-radio.org/historyofradio.html This page asserts, "Listen to Fessenden's first voice transmission on December 23, 1900 -- he says, Hello! Test, 1, 2, 3, 4. Is it snowing where you are Mr. Thiessen?" This is a nice page for ham radio. However, the voice heard in the audio clips is not that of Reginald Fessenden, but rather that of John S. Belrose of the Communications Research Center, Ottawa, Canada. Mr Belrose constructed emulations of early spark-based transmitters in 1994. His outstanding (and very early) web page can be accessed at http://www.hammondmuseumofradio.org/spark.html. To quote briefly from this page, "On the 23 December 1900, Fessenden, after many unsuccessful tries, transmitted words without wires. The speech you hear is the voice of the author [Belrose], using the transmitter as described above (the best transmission out of several recorded), but the words are those used by Fessenden the inventor." The audio clip linked from the word "hear" above, recorded by Belrose, is the same one used on the http://www.hello-radio.org/historyofradio.html page. Listen to both of them several times, and it will leave you with no doubt that they are the same recording. Apparently the author either misread Belrose's statement quoted above and really thought the recording was of Fessenden's voice, or he figured it was just more satisfying to say that it was! :-) Bill / W5WVO _______________________________________________ Elecraft mailing list Post to: [hidden email] You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com |
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