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#1
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![]() "Honus" wrote in message ... What I meant was that 10000 KHz had an image 910 KHz below it, but a station that I received at 10855 KHz didn't produce an image 910 KHz below that frequency. I was wondering why that was; why some frequencies produced images, but others didn't. Sorry if I wasn't clear. My first wild guess is 10855 wasn't the actual frequency of the transmission, but it was the image of 11765. 11765 is in a standard shortwave broadcast band. My older copy of Passport says that the BBC used that frequency, but I don't know if they're still using it. Here's some numbers: Desired frequency -- 10000 kHz Image frequency -- 9090 kHz Desired frequency -- 11765 kHz Image frequency -- 10855 kHz Frank Dresser |
#2
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In article ,
Frank Dresser wrote: My first wild guess is 10855 wasn't the actual frequency of the transmission, but it was the image of 11765. 11765 is in a standard shortwave broadcast band. My older copy of Passport says that the BBC used that frequency, but I don't know if they're still using it. BBC African track from 5:00-6:00 UTC. Same program as 6005 kHz. On most days, it's 1/2 hour of world news and Daybreak Africa for 1/2 hour. Mark Zenier Washington State resident |
#3
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![]() "Frank Dresser" wrote in message ... My first wild guess is 10855 wasn't the actual frequency of the transmission, but it was the image of 11765. 11765 is in a standard shortwave broadcast band. My older copy of Passport says that the BBC used that frequency, but I don't know if they're still using it. Ha! I think you've figured it out, Frank. I should have caught that one myself! Thanks again for your help. |
#4
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![]() "Honus" wrote in message ... Ha! I think you've figured it out, Frank. I should have caught that one myself! Thanks again for your help. Yeah, it seems likely you were hearing an image if you were hearing a broadcast station way out of band. It's not so clear if you were hearing some utility station, but there's less utility traffic on the bands than there was thirty years ago. Bill McFadden posts his Handy Shortwave Chart on this group on a regular basis. If you haven't seen it, here's a link: http://www.rdrop.com/users/billmc/handy_chart Although it's worth remembering that many stations broadcast just past the edges of the officially recognized bands. Frank Dresser |
#5
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ut there's less utility traffic on the bands than
there was thirty years ago. Is it still worth it to get a CW/RTTY decoder which are still advertised in magazines such as "Popular Communications" and "Monitoring Times"? |
#6
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![]() "Mediaguy500" wrote in message ... Is it still worth it to get a CW/RTTY decoder which are still advertised in magazines such as "Popular Communications" and "Monitoring Times"? I don't do utility listening, and I can't offer a useful opinion on decoders. It might be worth starting a new thread with your question. Frank Dresser |
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