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Utility Listening - Discussions regarding monitoring government, military, aircraft, ship, and other misc communications in the HF/MW/LF bands.

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  #21 (permalink)  
Old 03-03-2014, 8:49 PM
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It's just like scanning...monitor them all until you hear something.
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  #22 (permalink)  
Old 03-03-2014, 9:00 PM
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yea i heard that just in the sdr chat box guys are saying that 8992 usb-nrw auto notch are active at this time i tried listening in but this comp was very choppy for some reason
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Old 03-03-2014, 10:20 PM
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What is an autonotch?
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Old 03-04-2014, 4:41 AM
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Its one of the settings on the SDR site not sure what it does though
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Old 03-04-2014, 6:51 AM
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Quote:
Originally Posted by reconrider8 View Post
Its one of the settings on the SDR site not sure what it does though
"autonotch" on the Twente remote SDR is an auto notch filter. A filter that automatically notches out some types of noise. Unless you have interference in the form of a steady tone there is no reason to use autonotch when monitoring any of the HF-GCS freqs, or any other frequency for that matter.

By the way, in the chat for the Twente SDR are MANY badly mistaken concepts and statements being passed around. Things like "Skyking messages with one Skyking is good, 2 is bad, 3 is worse, 4 is war" (talking about the number of times Skyking is said in one transmission) and completely ridiculous stuff like that. One user stated that an authentication of an EAM that was Whiskey Hotel meant it was originated from the White House. This was taken as gospel and was still being repeated three days later. There are regular incorrect comments about the Morse code that is sometimes heard near HF-GCS freqs as carrying special significance.

While the Twente SDR, and similar remotes, is a great tool, be aware that the average user in that chat has no radio background and generally no concept of what is happening on the radio. Often their understanding of Utility monitoring is, to say the least, extremely restricted. Many times they repeat flat out wrong information, because it sounds "cool". The number of uniformed users to knowledgeable monitors, at least as far as comments in the chat go, is probably on the order of 10 to 1 or greater. A couple of hours ago I opened the chat box there and I saw 20 lines of comment, 18 of them contained errors as far as Utility stations goes, things like “8980 USB, voice and encrypted data”, when the “encrypted data” in question is actually an image of the 27 MHz pager system mounted near the receiver, and the image is actually on about 8983.5 kHz (c/f), in other words, not only were the two transmissions unrelated, but they were not even really on the same frequency, although both fell within the audio passband selected. Another great one that is repeated often is the jamming or encrypted data (either, according to several sources there) that is periodically sent on 8992 kHz. To be sure, there is sometimes data sent on that freq, but the signal being referred to is an atmospheric sounder that sometimes hits around that freq (example here Radar or Sounder, 8992 kHz, April 17, 2011, 1510 UTC - YouTube ).

Take everything said in that chat with a large grain of salt until you can confirm it some other way. While there are some very well informed users there the average is pretty clueless. Of course, everyone starts out in this hobby that way, but when you combine no real knowledge of the hobby with people looking for sensationalism that can get pretty far out there.

T!

Last edited by Token; 03-04-2014 at 7:01 AM..
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Old 03-04-2014, 7:05 AM
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true that but thats why i like someone knowing what they are listening to and such and can help me listen to current activity and such
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Old 03-04-2014, 1:28 PM
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Here's a wideband tunable SDR based in the Netherlands with a huge waterfall and easy to drive. No other software required

http://websdr.ewi.utwente.nl:8901/
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  #28 (permalink)  
Old 07-08-2014, 11:01 AM
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4.830 USB Unid YL/RR 06-29 0410 UTC
https://soundcloud.com/rickf-2

Monitored via Ukraine remote.
Any translation appreciated.
rickf
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  #29 (permalink)  
Old 07-18-2014, 7:52 PM
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Default 4.600 (USB)07-18 0412 UTC Unid.RR/M/F Airborne Xmitt

4.600 (USB)07-18 0412 UTC Unid.RR/M/F Airborne monitored via Ukraine Remote. . Multiple players. Sorry no translation.

https://soundcloud.com/rickf-2
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Old 07-20-2014, 5:54 PM
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i've worked two CW REBEL stations in the DONETSK PEOPLES REPUBLIC on 20m cw ham band......D0A and D0N around 14.025 and 14.027.......usually around 2300-0100z.......often sending short propaganda messages like "THEY ARE KILLING US IN DONETSK"..."STOP KILLING DONETSK".....and also working DX contacts with other ham stations....interesting stuff....now all i need is a QSL address HI HI !!
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  #31 (permalink)  
Old 07-25-2014, 8:50 PM
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4436 LSB 7-26 0109 HRS Unid.RR/Voice Net (new freq) at least for my logs. Recording a bit rough but readable.

https://soundcloud.com/rickf-2
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  #32 (permalink)  
Old 12-22-2014, 10:20 PM
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Donetsk Peoples Republic Interior Army SUV loaded with antennas:
https://scontent-b-atl.xx.fbcdn.net/...02590152_o.jpg
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  #33 (permalink)  
Old 12-23-2014, 12:19 AM
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I remeber some articles that rich people in Kiev had rf jammers installed on their cars. But I do not remember the reason behind it.

I have not heard that IEDs have been used in this resent conflict so the purpose of the jammers antennas on this Toyota are to block communications?

But interesting picture, thank you Evgeni.
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  #34 (permalink)  
Old 02-03-2015, 1:40 AM
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You could block gps tracking bugs on your car I would think, or someone tracking your wireless



Quote:
Originally Posted by smr View Post
I remeber some articles that rich people in Kiev had rf jammers installed on their cars. But I do not remember the reason behind it.

I have not heard that IEDs have been used in this resent conflict so the purpose of the jammers antennas on this Toyota are to block communications?

But interesting picture, thank you Evgeni.
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  #35 (permalink)  
Old 03-17-2015, 1:49 AM
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Try this remote receiver:

http://websdr.ewi.utwente.nl:8901/

Its located at the University of Twente in Enschede, Netherlands
It has continuous coverage from VLF to 30 MHz in all modes.
I use it and i think its the best so far.
The user can tune any freq,any mode.
It has squelch, notch filter,audio recorder.
I have logged many russian language stations.

Some of these i have heard and others confirmed by other monitors.

2737.0 CW RUSSIAN AIR FORCE MOSCOW
3420.0 USB RUSSIAN AIR FORCE VOICE BAGOR,FREZER GRUZIA
3470.0 USB RUSSIAN AIR FORCE VOICE PLOVEC,FREZER GRUZIA
4179,0 CW RUSSIAN AIR FORCE MOSCOW
4436.0 USB RUSSIAN MILITARY VOICE
6685.0 USB RUSSIAN AIR FORCE VOICE PROSELOK,KORSAR KLARNETIST
8033.0 USB RUSSIAN AIR FORCE TU-95 BOMBER VOICE (WINTER NET)
8090.0 USB RUSSIAN AIR FORCE TU-95 BOMBER VOICE (SPRING NET)
8112.0 CW RUSSIAN AIR FORCE
8131.0 USB RUSSIAN AIR FORCE TU-95 BOMBER VOICE (WINTER NET PRIMARY)
8816.0 USB RUSSIAN NAVAL AIR TRANSPORT VOICE NOVATOR PRIBOJ,KROCKET
8895.0 USB RUSSIAN AIR FORCE TU-95 BOMBER VOICE/RTTY (BEAR NET)
11354.0 USB RUSSIAN NAVAL AIR TRANSPORT VOICE NOVATOR PRIBOJ,KROCKET
11360.0 USB RUSSIAN AIR FORCE VOICE PROSELOK,KORSAR
Many Russian language Meteo or Volmets
During active skip i could hear numerous taxis using FM Modulation on freqs from 25 MHz to 30 MHz
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Last edited by gvranchosbill; 03-17-2015 at 2:34 AM..
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  #36 (permalink)  
Old 03-17-2015, 1:53 AM
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It is now spring.
Use 8090 usb for Bear net instead of 8131

And they are active now
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  #37 (permalink)  
Old 03-17-2015, 9:55 AM
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There's been a noticeable uptick in CIS digital activity noted on the UDXF. This stuff is nearly always encrypted, so we can't discern what is being said, but the uptick in traffic is interesting (tho you can argue that it's just coincidence...) Mike
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