TXM 6 HEADLINER PSK 13 OF THE SPC PART 1.ON MARCH 5, 2010 TXM BROUGHT YET ANOTHER CALLABO , SUM MIGHT SAY THE REALEST CALLABO DOWN SOUTH. WITH PSK- 13 OF THE…
Video Rating: 5 / 5

Automatic Link Establishment - Shortwave 3830Khz

Recorded on 11 Dec 2009 about 23:56H UK time. 3 distinct signals of unknown origin. A repetitive tone that may/may not be related to the other 2 signals; A m…
Video Rating: 4 / 5

25 replies
  1. Chris Huffman
    Chris Huffman says:

    This sounds like basic naval submarine tracking order to me.. It pretty
    much a run test to make sure the points of hertz are not freezing for if
    the subs go into fridgid climates.

    Reply
  2. zuko
    zuko says:

    Pro Automatic Link Establishment system?designed to establish one to
    one/one to many links and once the link is is established the controller
    has the option of passing data in a low speed manner using its internal
    provisions. Alternatively it may be switched manually or automatically to a
    different modem for high speed FSK-PSK data, or voice.

    Reply
  3. JohnnyX50
    JohnnyX50 says:

    Its ok 🙂 I wonder what it was a data link for and what the noise between
    the signally data was ? 🙂 This stuff totally fascinates me.

    Reply
  4. billybonewhacker
    billybonewhacker says:

    it could be jupiters magnetoshere its the most powerfull radio source in
    the solar system.ive caught it several times on broadcast band.look it up
    and compare

    Reply
  5. JohnnyX50
    JohnnyX50 says:

    Close analysis, using slowing and re-recording techniques viewed through
    Spectrogram, show the signal to consist of 8 groups of 16 bits (8 bits high
    by 16 bits long) repeated over and over with a change in data towards the
    end of the block, possibly an error correction word. When split into 2×4 to
    convert to Hex the lower word has the most change in it while the higher
    only changes slightly. These bits could be encoded ASCII, but would be 16
    characters long repeated several times.

    Reply
  6. X06Shadow
    X06Shadow says:

    that multi tone is MIL STD 188-141 ALE and the high speed data after that
    is MIL STD 188-110 serial a free program called PC-ALE can decode that for
    you hope that helps

    Reply
  7. RockerDave12
    RockerDave12 says:

    sounds like a scrambled – encoded burst. Could be Army special forces.
    Could be Scully & Mulder out in the field. Who knows….

    Reply
  8. de8msh
    de8msh says:

    Hi everyone. First ist Mil-ALE broadcast. Then is Highspeed modem. Not
    decodable. But ALE calls are from german duty. Note: 80m band is not
    exclusive for ham operators. 73

    Reply

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