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CHINA : VC01 (04) --- XYZ - Oct 02 (Sun), 2022 09:10 UTC No.2563
Chinese Numbers Station

Enigma Code : VC01
Nickname : The Chinese Robot
Mode : USB, LSB
Reading speed: Chinese 3 numbers very quickly.

It is reported to be operated by the "Chinese Air Defense".
VC01 has been active since 2000.


Previous Thread:
CHINA : VC01 (03) : https://radio.chobi.net/DX/SPYnumBBS/?res:1181
CHINA : VC01 (02) : https://radio.chobi.net/DX/SPYnumBBS/?res:596
CHINA : VC01 (01) : https://radio.chobi.net/DX/SPYnumBBS/?res:2


Frequencies list in 2016 to 2018 :
http://radio.chobi.net/DX/data/VC01ChineseRobot.html



Re: CHINA : VC01 (04) - XYZ Oct 02 (Sun), 2022 09:46 UTC No.2564
Special thanks Pigmon !!

SEP SKD by Pigmon:
The USB frequencies were changed on September 5.
The updated USB frequencies are 6048.0kHz/5241.0kHz, as same as reported in September, 2021, refer to article No.2454.
Their synthetic voice source has changed again and now a female voice is used for broadcasting instead of a male voice.

September-2022 schedule:

Daytime Nighttime
0000-1000 1000-2400
-----+-----------+-----------
USB 6408.0 kHz 5241.0 kHz
LSB 5169.0 kHz 5632.0 kHz
-----+-----------+-----------




Re: CHINA : VC01 (04) - XYZ Oct 02 (Sun), 2022 09:48 UTC No.2565
-0945-
5630kHz LSB New, QSY ? around -0948- no signal, back again -0958-(noticed)
6408kHz USB ** speak a little slow


https://youtu.be/QI-w9rQFn40





Re: CHINA : VC01 (04) - XYZ Oct 02 (Sun), 2022 11:50 UTC No.2567
Octber 2022 schedule:

Daytime Nighttime
0000-1000 1000-2400
-----+-----------+-----------
USB
LSB 5630.0 kHz 5707 kHz
-----+-----------+-----------


-1150-
5241kHz USB
5707kHz LSB



Re: CHINA : VC01 (04) - Pigmon Oct 02 (Sun), 2022 12:18 UTC No.2569
Amano, thank you for your up-to-date information for the LSB transmission.
Also thanks to Ary for your confirmation.

The LSB frequencies for September have been ceased since October 1.
The updated LSB frequencies are 5360.0kHz/5707.0kHz.

Schedule as of October 2:

Daytime Nighttime
0000-1000 1000-2400
-----+-----------+-----------+--------------------------------------
USB 6408.0 kHz 5241.0 kHz [male voice with slower speed]
LSB 5360.0 kHz 5707.0 kHz [female voice with higher speed]
-----+-----------+-----------+--------------------------------------

The USB transmission still heard on their September frequencies.



Re: CHINA : VC01 (04) - Pigmon Oct 02 (Sun), 2022 23:53 UTC No.2571
Dear XYZ,

I have wrote at the same time without knowing your recent post.

Isn't 5630kHz LSB which you mentioned 5360kHz ?
Currently their LSB transmission can be heard on 5360kHz.



Re: CHINA : VC01 (04) - XYZ Oct 03 (Mon), 2022 01:08 UTC No.2572
Thanks Pigmon.

Did you see the video above?
I wrote it exactly as I received it, so maybe things have changed since then ?
Occasionally they change frequencies several times.

** Check date and time.
https://youtu.be/QI-w9rQFn40




Re: CHINA : VC01 (04) - Pigmon Oct 03 (Mon), 2022 16:57 UTC No.2573
Thank you very much for your quick comment on it.

Sorry I did not play your video because the screenshot shows "6.408000" plus "USB" only,
however that includes 5630kHz other than 6408kHz recording actually, confirmed on the YouTube.

On October 1 it was heard on 5360kHz(LSB) at 1030 UTC, however unstable at the time.
Heard also on the frequency at 1029 and 2341 UTC on October 2.

Agree with your estimation on the frequency change.

Probably they switched their frequency in short time range several times around 1000 UTC
on October 2, between 5630 and 5360 kHz.



Re: CHINA : VC01 (04) - XYZ Oct 03 (Mon), 2022 21:04 UTC No.2574
Thanks Pigmon!

I agree too. It was very unstable.
Maybe they were looking for frequencies to use. :D

BTW, your monitor is very helpful.
I hope to work with you in the future !



Re: CHINA : VC01 (04) - XYZ Oct 04 (Tue), 2022 11:00 UTC No.2576
-1059-
5241kHz USB
5360kHz LSB **

** thanks Pigmon!



Re: CHINA : VC01 (04) - Ary Oct 06 (Thu), 2022 14:24 UTC No.2580
5360 kHz, 06-10-2022, 1420 UTC, LSB



Re: CHINA : VC01 (04) - Pigmon Oct 10 (Mon), 2022 14:52 UTC No.2582
The USB frequencies for September have been ceased since October 5.
The updated USB frequencies are 7207.0kHz/5241.0kHz.

7207.0kHz, noted at 00:30 UTC on October 5, is as same as for Daytime in September 2021,
refer to article No. 2462. However, 3008.0kHz used in Nighttime in September 2021
does not appear at present. In stead it is heard on 5241.0kHz on October 9 and 10,
that frequency is as same as for last month.

Also, a faster speed female voice has been reinstated for the USB transmission since October 9,
replacing a slower speed male voice.

October-2022 schedule (as of October 10):

Daytime Nighttime
0000-1000 1000-2400
-----+-----------+-----------+----
USB 7207.0 kHz 5241.0 kHz
LSB 5360.0 kHz 5707.0 kHz
-----+-----------+-----------+----

I have searched for VC01 frequencies since August 2021 and the complete frequency list
has been reported every month over 1 year, refer to Nos. 2454, 2462, 2469, 2473, 2477,
2484, 2502, 2508, 2510, 2525, 2532, 2534 and 2537.
Therefore, I finnish monitoring for VC01 this time. This will be my final report.

Dear XYZ,
I am happy that you have returned to monitor the VC01.

I apreciate your providing a thread where anyone can freely report monitoring results also for
such special and purpose-unknown broadcasts.

Many thanks!



Re: CHINA : VC01 (04) - XYZ Oct 11 (Tue), 2022 09:49 UTC No.2583
Thanks Pigmon !!

Please come back anytime to find new goals !



Re: CHINA : VC01 (04) - Ary Oct 19 (Wed), 2022 16:59 UTC No.2586
7207 kHz, 19-10, 1657 UTC. Good audible in the Netherlands and very loud in Taiwan




Re: CHINA : VC01 (04) - Token Oct 22 (Sat), 2022 14:36 UTC No.2588
7207 kHz, USB, 1431 UTC, 22 October, 2022
5360 kHz, LSB, 1431 UTC, 22 October, 2022

7207 kHz would be very good copy, S9+ signal, in the Mojave Desert of California except for BCB interference.

5360 kHz was less strong and had heavy interference from Chinese radar.



Re: CHINA : VC01 (04) - XYZ Oct 25 (Tue), 2022 08:47 UTC No.2589
Thanks! Ary and Token !!

I can't listen to the radio much because my illness seems to be going on for a long time.
Please continue to support us here.



-0846-
5360kHz LSB, weak signal
7207kHz USB, strong signal




Re: CHINA : VC01 (04) - Token Oct 30 (Sun), 2022 14:14 UTC No.2591
5241 kHz, USB, 1412 UTC, 30 October, 2022
5707 kHz, LSB, 1412 UTC, 30 October, 2022



Re: CHINA : VC01 (04) - VC01 Oct 31 (Mon), 2022 20:16 UTC No.2592
5241 kHz, 31-10, 2002 UTC. Good audible in Holland



Re: CHINA : VC01 (04) - XYZ Nov 09 (Wed), 2022 10:47 UTC No.2594
Thanks ! Token and Ary !!


November 2022:

Daytime Nighttime
0000-1000 1000-2400
-----+-----------+-----------+----
USB kHz 5241 kHz
LSB kHz kHz
-----+-----------+-----------+----

...5241kHz doesn't seem to change ..



Re: CHINA : VC01 (04) - XYZ Nov 10 (Thu), 2022 01:46 UTC No.2596


November 2022:

Daytime Nighttime
0000-1000 1000-2400
-----+-----------+-----------+----
USB 6569 kHz 5241 kHz
LSB kHz kHz
-----+-----------+-----------+----



Re: CHINA : VC01 (04) - XYZ Nov 15 (Tue), 2022 10:02 UTC No.2602
-1000-
4857kHz LSB **which ?
6569kHz USB **Daytime frequency





Re: CHINA : VC01 (04) - Philby Nov 17 (Thu), 2022 22:23 UTC No.2603
-2215- 6569 kHz USB chinese female voice, numbers, second frequency not copy.


Heard in France (near Paris, NRD525, LZ1AQ double crossed loop antenna)



Re: CHINA : VC01 (04) - XYZ Nov 17 (Thu), 2022 23:29 UTC No.2604
Thanks Philby ! FBDX :D:D


November 2022:

Daytime Nighttime
0000-1000 1000-2400
-----+-----------+-----------+----
USB 6569 kHz 5241 kHz
LSB 4857 kHz kHz
-----+-----------+-----------+----


Can't find their nighttime LSB frequency :-(((



Re: CHINA : VC01 (04) - Philby Nov 18 (Fri), 2022 08:57 UTC No.2605
I copy 6569 at 2215 utc, is that à night frequency or an error from the technician ?



Re: CHINA : VC01 (04) - XYZ Nov 18 (Fri), 2022 09:34 UTC No.2606
Hi Philby,

>6569kHz / 5241kHz
There was a day when they continued to use the frequency without switching frequencies.
Maybe it's their mistake.



Re: CHINA : VC01 (04) - XYZ Nov 19 (Sat), 2022 15:17 UTC No.2608
6569kHz seems to be all-night today...

-1515-
6569kHz USB

... LSB freq. where ?



-2142-
5241kHz USB, It seems to have switched to night..



Re: CHINA : VC01 (04) - Philby Nov 30 (Wed), 2022 15:35 UTC No.2610
-1535- 6569 kHz USB female chinese voice, easy to hear it in France today.



Re: CHINA : VC01 (04) - XYZ Dec 03 (Sat), 2022 11:47 UTC No.2611
Thanks Philby !

-1146-
6569kHz USB still here..

LSB frequency could not be found..



Re: CHINA : VC01 (04) - XYZ Dec 05 (Mon), 2022 11:09 UTC No.2613
-1104-
5241kHz USB, (Daytime: 6569kHz), both still Nov. freq.
5763kHz LSB, may Nighttime freq.

December 2022:

Daytime Nighttime
0000-1000 1000-2400
-----+-----------+-----------+----
USB ( 6569 kHz 5241 kHz )
LSB kHz 5763 kHz
-----+-----------+-----------+----
** Nov.: (LSB)4857kHz/????kHz




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