Link-11 data on WWV time freq

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brandon

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Anyone else hearing what sounds like a Link 11 data transmission on 10000 kHz mixed with the WWV/WWVH time signal? Been active for at least a couple hours now.
 

kb2vxa

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Relax, 10MHz is anything but clear channel, you'll hear everything from soup to nuts and often quite a jumble where nothing comes in clear.
 

chgomonitor

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Not sure about the current WWV data format, check their web site, but I know they at least used to send the time signal out in some sort of data burst format embedded in the transmission. So do a number of other of 10.000 MHz time standard stations. In fact, I recall one of them sent only data. How sure are you it is LInk-11 format that you are hearing? Any decode on it?
 

brandon

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Definitely not coming from WWVH or WWV.
I only hear it during the late afternoon and throughout the night, so its likely coming from the Pacific region. I also just tuned with receivers in Brisbane and Hong Kong and they also pick it up.
 

wa8vzq

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The time code on WWV is on an IRIG-H subcarrier. If I remember correctly about 100 Hz & definitely does not sound like a Link-11.
 
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