HFU HF Underground
Loggings => Utility => Topic started by: Zoidberg on April 23, 2012, 0222 UTC
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4/23/12, 6950 USB, 0215z: Aviation weather, Trenton military, seems identical to 6604 and 6754 aviation weather reports. Fair via east coast remote SDR, inaudible here at home.
First time I've heard this on 6950.
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Very interesting, I checked the SDR recording at 0215z, and nothing heard here in MD.
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Possibly a heterodyne image from something rusty and a local carrier?
(when my gutters in Winnipeg oxidized, CFB Shilo in MB would come in all over the band)
Peace!
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Hmm... you had it on the SDR-14, Lex? Curious that I didn't have it on the netSDR. I do wonder if i was some sort of mixing product or image, as cmradio suggested?
I notice a spur/image/whatever from WWCR in the evenings on 6970, but I get it on both the netSDR and the NRD 545, so it seems to be "real" vs just heard on one radio.
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Hmm... you had it on the SDR-14, Lex? Curious that I didn't have it on the netSDR. I do wonder if i was some sort of mixing product or image, as cmradio suggested?
I notice a spur/image/whatever from WWCR in the evenings on 6970, but I get it on both the netSDR and the NRD 545, so it seems to be "real" vs just heard on one radio.
Yup, via the SDR-14. Didn't seem to be an image - that SDR seems bulletproof. I did wonder whether it was a spur. Haven't heard it on 6950 since that log the other day.
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As it turns out... this is a receiver image in the SDR-14. I decided to write up a short blog post about it: http://www.hfunderpants.com/?p=882 (http://www.hfunderpants.com/?p=882)
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Solved! ;D
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(http://www.hfunderpants.com/mypics/alien_images.png)
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Via SDR-14, same image from aviation weather audible on 6950 overnight while listening to the TIMIT phrase loops (logged elsewhere as "aggressive policeman" (http://www.hfunderground.com/board/index.php/topic,7188.0.html), although I prefer to think of it as the greasy wash water station. Or maybe the oily rag station. ???)