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Messages - Token

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706

Spy Numbers / Re: L6YC beacon...

« on: February 04, 2017, 1353 UTC »

Pretty much every time I go look for this signal, assuming it is a time in their schedule and I have propagation to the region, I find it. For example, right now (February 4, 2017, 1349 UTC) I have L6YC on 3860 // 3207 kHz. I checked 3115 kHz also, but nothing there.

T!

707

Spy Numbers / Re: L6YC beacon...

« on: February 03, 2017, 1325 UTC »

Quote from: Ary-B on February 02, 2017, 0523 UTC

These were active during the past weeks

5880 kHz, 17-01, 0715 UTC   4DAG //6782 kHz
3192 kHz, 20-01, 1010 UTC   OBCD //3207 kHz
3860 kHz, 29-01, 1718 UTC   L6YC //3115 kHz

Ary

Ary, that is interesting. I logged L6YC on 29/01 (and several other days) at 1615 - 1625 UTC, 1645 - 1655 UTC, and 1715 - 1725 UTC on 3860 // 3207 kHz, I never checked 3115 kHz. However if your L6YC log above is not in error that means at 1718 UTC L6YC would have been on 3 frequencies, 3860 // 3207 // 3115 kHz.

As I write this (1315 UTC, February 02) L6YC just started on 3860 // 3207 kHz. I don't see it on 3115 kHz, however the 3207 kHz signal is so weak I might be having bad conditions at the low end of 3 MHz. So it is possible it is on 3115 kHz and I just don't hear it. 3207 kHz is so weak if I was not specifically looking for it I would miss it.

T!

708

Utility / Re: 4724USB up to 23.25UTC 30 Jan 2017

« on: January 31, 2017, 1308 UTC »

This is the US military HF-GCS (High Frequency Global Communications System). This is a US Air Force operated and maintained, multi service, communications network.

Primary frequencies of operation are 4724, 6739, 8992, 11175, 13200, and 15016 kHz, all USB mode. Typically the same message is transmitted on all of those frequencies simultaneously.

I moved this thread from the Spy Numbers forum to this one because while the traffic is definitely coded these messages are military in nature, and generally not grouped with spy numbers transmissions.

T!

709

Spy Numbers / MOVED: 4724USB up to 23.25UTC 30 Jan 2017

« on: January 31, 2017, 1304 UTC »

This topic has been moved to Utility.

https://www.hfunderground.com/board/index.php?topic=32614.0

710

North American Shortwave Pirate / UNID 6935 USB 0132 UTC 30 Jan 2017

« on: January 30, 2017, 0146 UTC »

So far unided station on 6935 USB Not very strong, and a bit of QSB, but when it fades up it sounds like nice and wide audio, I would say 3.8 kHz or wider.

Appears to be off at 0146 UTC.

T!

711

HF Beacons / MOVED: L6YC beacon...

« on: January 30, 2017, 0132 UTC »

This topic has been moved to Spy Numbers.

https://www.hfunderground.com/board/index.php?topic=32568.0

712

Spy Numbers / Re: L6YC beacon...

« on: January 30, 2017, 0130 UTC »

Quote from: Looking-Glass on January 29, 2017, 2149 UTC

Thanks Token, just done a search of the net and it appears L6YC is widely reported, as far back as 2005 and on 1.720MHz and mostly on 3MHz over the years.

Someone suggested on one site that L6YC is M94 Chinese group.

I see mention of it, plus reports by your esteemed self...on Numbers & Oddities newsletter via PDF. You sure get around the traps.

It went off air at 0958z too, not sure when it came back on as I move around the band looking for the unusual. Thanks for the heads up on Chinese Military...Jack.

M94 would not be Chinese, that would be South Korean, however M94 has not been active for a couple of years, and did not use this format. I would be interested in knowing what site suggested L6YC might be related to M94, still got the link?

Looking at Numbers and Oddities newsletter #180, Sep 2012, shows L6YC on the same freq, 3860, with the same format, on air H+15 to H+25 and H+45 to H+55. Speculation then was Norther China or far western Russia, both fit my direction of arrival (from here they are on the same bearing).

Looking further back to 2005 the same signal was thought to be Russian. The earliest mention I can find of this freq used with this callsign (L6YC) is in Feb of 2005, so it has been around a while.

In 2011 the same freq was used with the same cycle but callsign KTR4.

Numbers and Oddities has assigned the temporary designation UM-10 to this signal, and has noticed it on many frequencies with many callsigns.

Next time you hear it you might look at 3207 kHz and see if you have it on that frequency also. That frequency has variously been reported as 3205, 3206, or 3207, I suspect all but 3207 are errors on the part of the reporting parties.

Since this station appears to be being followed primarily by the numbers folks I am going to move this thread to the Spy Numbers forum, although I suspect it is mil, not spy.

T!

713

General Radio Discussion / Re: Local radio station hacked with anti-Trump song

« on: January 29, 2017, 1437 UTC »

And it is such a friendly song, what with its message of unity and peace to all...sure to quell the divide that has grown over the last few years....

T!

714

Spy Numbers / Re: L6YC beacon...

« on: January 29, 2017, 1430 UTC »

I have this here also, fair signal, if not strong, however US 80 meter voice traffic makes it a little hard to pull out.

I doubt this is an HF beacon that really belongs in this section, probably the Utility forum or something similar might fit it a little better. However lets leave the post here until we see more from the signal. Based on direction of arrival I suspect the source is China, and this is probably a channel marker for something like M89. The format of the "callsign" is also the same as those stations use.

While writing this post the signal went off air at 1425z, I tuned to it in progress at 1418z. During that time the only thing it sent was L6YC repeatedly.

(edit) Back on air between 1445z and 1446z and off at 1455z.
(edit) On air at 1515z, off air at 1525z.
(edit) On air 1545z, off air 1555z.
(edit) On air 1615z, off air 1625z.

T!

715

Spy Numbers / Re: ON8A

« on: January 28, 2017, 0228 UTC »

What time each day?

T!

716

Spy Numbers / Re: ON8A

« on: January 27, 2017, 2210 UTC »

You did not say what mode the transmission was in. You also did not mention the day or time.

Numbers station M32 uses 10168 kHz with the callsign ON8A, this is probably what you heard.

T!

717

HF Mystery Signals / MOVED: ON8A

« on: January 27, 2017, 2208 UTC »

This topic has been moved to Spy Numbers.

https://www.hfunderground.com/board/index.php?topic=32522.0

718

HF Beacons / 21 January, 2017, spin around some beacons

« on: January 22, 2017, 0536 UTC »

I had to be up early for work today, so I thought I would start the day before I left checking some beacons. And then when work canceled it turned into how many beacons can I hear in a day? First tune was 1220z, last one I counted was 2250z, so a bit over 10 hours from first to last.

Listed in frequency ascending order, not time of reception.

2008.41 kHz, 1222z, unnamed beacon (active for several years now, but not sure if it has ever been reported here), cycles on and off, when on one 0.19 sec dit every 2.89 sec, or about 21 per minute. This is NOT the same as the beacon on the "active" list, or if it is the same beacon the cycle changed a couple of years ago, that one had a .86 sec long dash.

2016.7 kHz, 1245z, unnamed beacon (active for several years now, but not sure if it has ever been reported here), cycles on and off, when on about 0.15 sec dit about every 0.88 sec, or about 68 per second. Was very weak this morning and never caught more than one or two dits at a time, in the past was more clear.

2097.3 kHz, 1224z, A Beacon

4070.33 kHz, 1228z, ZN Beacon

4070.38 kHz, 1240z, GT Beacon

4095.76 kHz, 1556z, Viking

4096.06 kHz, 1804z, I think unnamed beacon, about a 6.8 second long dash about every 10.5 seconds, very pronounced chirp on the leading edge of the dash.

4096.37 kHz, 1233z, Haystack

4174.8 kHz, 1254z, Z beacon

5824.5 kHz, 1815z, unnamed beacon, this is one of several unnamed beacons that have been active for several years in the 5824 area, but only heard this one today, not sure if it has ever been reported here. Dit about 0.19 second long sent about every 3.75 second, or about 16 per second.

6626.5 kHz, 1811z, possibly Rainy beacon, but timing was slightly off so not 100% sure it was not the unnanmed beacon near the same frequency.

6626.58 kHz, 1811z, Rocky Beacon

6700.4 kHz, 1815z, Hexy2K beacon

7000.74 kHz, 1821z, Stumpy beacon. This beacon varies the time between dits over time, not sure if it is temperature related or something else. Today, and at this time, it was a 0.125 sec long dit every 16.1 seconds, but I have seen much longer and much shorter times between dits.

7998.74 kHz, 2250z, Shorty beacon

That was all the unlicensed beacons heard for today, also heard a lot of Russian single letter beacons, but if I post them that will be a separate post.

T!

719