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| Mystery Data Interference http://www.interceptradio.com/bbs/viewtopic.php?f=1&t=6319 |
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| Author: | kc6pqe [ Fri Aug 17, 2012 4:31 pm ] | ||
| Post subject: | Mystery Data Interference | ||
Please listen to this audio clip and see if you can tell what it might be. I just noticed it today coming in on top of CENCOM south (Kitsap Co) at 155.430Mhz. I've listen with two different radios.
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| Author: | commstar [ Sat Aug 18, 2012 8:51 am ] |
| Post subject: | Re: Mystery Data Interference |
Monroe ID's in Manchester format? Seriosuly, Kinda sounds like P25 skip to me. That is my uneducated guess: P25 ducting in from somewhere. |
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| Author: | kc6pqe [ Sat Aug 18, 2012 3:39 pm ] |
| Post subject: | Re: Mystery Data Interference |
Thanks for the idea about ducted P25. I went to http://www.kb9ukd.com/digital/ and listened to the P25 samples....could be. |
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| Author: | KE7JFF [ Sat Aug 18, 2012 7:21 pm ] |
| Post subject: | Re: Mystery Data Interference |
Thats a Motorola SmartZone/SmartNet control channel sound...P25 sounds more machine gun like. |
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| Author: | kb7dqh [ Sat Aug 18, 2012 8:26 pm ] |
| Post subject: | Re: Mystery Data Interference |
Maybe I should have paid better attention to the Morse Id I have been hearing there in the evening/early morning... Funny thing is, I hook up the high-altitude dual band Squishcraft AR270B which feeds the FM simplex ham gear via 7/8" hardline and I don't hear it using my Yaesu FT 530 handheld tuned there, but the FRG 9600 being fed with a DB products stationmaster via some flaky coax, :oops: with a much reduced AGL, AND through a splitter, is picking this up. I just figgered on some form of intermod unique to the ancient Yaesu "wideband receiver"... So I am NOT the only one hearing this :shock: :? :?: :mrgreen: Not all that strong here... But to me it sounds a bit like Motorola Flex(R) paging stuff... Eric KB7DQH |
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| Author: | N7QOR [ Sun Aug 19, 2012 8:06 pm ] |
| Post subject: | Re: Mystery Data Interference |
It's EDACs |
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