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Author Topic: Mystery ute on 6135 kHz  (Read 1796 times)

Online Treehouse SWL

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Mystery ute on 6135 kHz
« on: February 11, 2019, 0121 UTC »
I usually tune into 6135 kHz to see if I can hear Radio Santa Cruz before it's signoff after 0200 UTC, and in recent days, this https://youtu.be/ZiQLyAVGdFA has been sitting on that frequency, blocking out anything else in both SSB and AM modes.

Any idea what this might be?
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Offline refmo

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Re: Mystery ute on 6135 kHz
« Reply #1 on: February 11, 2019, 0124 UTC »
Sounds like Link-11, and being that it is 910 khz below the Link-11 that has been on 6945 as of late, I would say it is an image of that signal.
Actually 810 khz below that signal so maybe not an image, but sounds like Link-11.

Have you tried it with another radio?
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Online Treehouse SWL

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Re: Mystery ute on 6135 kHz
« Reply #2 on: February 11, 2019, 0328 UTC »
Trying another radio was a great idea, and I assumed it might just be an anomaly with my Eton Satellit, but I just hooked my longwire antenna up to both my old DX-440 and a little Kaito KA1101 (doesn't even has SSB) and they both got the same ute signal that's in the video.
 
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Offline Josh

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Re: Mystery ute on 6135 kHz
« Reply #3 on: February 11, 2019, 2128 UTC »
Another vote for link11.
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Offline R4002

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Re: Mystery ute on 6135 kHz
« Reply #4 on: February 13, 2019, 1855 UTC »
Yep, has the tell-tale Link-11 sound.  When's the switch to Link-22 going to happen?   :D
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Offline Token

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Re: Mystery ute on 6135 kHz
« Reply #5 on: February 14, 2019, 0054 UTC »
Yep, has the tell-tale Link-11 sound.  When's the switch to Link-22 going to happen?   :D

Since most Link-22 hardware I have heard of is back compatible to Link-11 it might have already happened, and we just don't realize it yet.  I have no doubt that an all Link-22 network will sound different than Link-11, it is a completely different format, but for all we know we have been hearing Link-22 in a back compatible mode for a while now. Link 22 was defined back around 1990, and has been "in development" since about 1992.  I suspect there are a lot of Link 22 capable platforms (hardware installed) out there already.

T!
« Last Edit: February 14, 2019, 0102 UTC by Token »
T!
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