[Spooks] Morse code numbers station

[Joe Barr]

Why can't they use REAL cut numbers like the Chinese?


On Sun, 2008-03-16 at 07:34 -0400, mslaten wrote:
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> 
> Hi B Paul Patterson:
> 
>     You have indeed copied a Cuban M8a transmission.  It is a daily 
> transmission on this frequency.  The first broadcast is at 1800 UTC and the 
> repeat broadcast is at 1900 UTC.
> 
>     As has already been mentioned, the encryption is probably by "one-time 
> pad".  This is also not likely to be decrypted unless you are the recipient 
> and in possession of the proper pad.
> 
>     You can break out the 5-figure numbers to their correct identity though. 
> The Cubans use "cut numbers" to transmit their morse messages.  In other 
> words, the numbers are represented by letters in lieu of numbers.  This is 
> the breakout for the numbers:
> 
> 1    =    A
> 2    =    N
> 3    =    D
> 4    =    U
> 5    =    W
> 6    =    R
> 7    =    I
> 8    =    G
> 9    =    M
> 0    =    T
> 
>     The purpose of cut numbers is to be able to send the message in a 
> shorter time.  If they used the morse equivalent of the above numbers, it 
> would take a bit longer to send.
> 
> 
> -------------------------------
> 
> Howdy,
> 
> I'm not sure if anyone still uses this list for discussion or not, but I
> suppose it's worth a try.  I just started SWL'ing, so bare with me.  I
> picked up a numbers station running morse code: 8097kHz 1900-1935 UTC
> 3/15/08. Downloaded some software quick and started transcribing it.  Here's
> what I got:
> 
> "uumwt gimmm mmdig druig rdgwm duitg diunr dagmd twtgr tawgd mgtnt aagri
> gwugd trnrt nggdg wndia dgnar rrrma dudut aarmu tintd wwwmw audra dwmtt
> gminr gdtum dwgmn wtuna dimwa maduw gairi guunu mmrtt ntwit uarwn tuira
> gidrt agddu riudr wdngd numdm grwtu gudaa ngrmg irrat matin ungii imdag
> nmtmi wiurm gtdww ddaaw AR AR AR iwaid iwaid iwaid iwaid iwaid = = = wtauw
> dadan dgddw ggura rrrdi gwgar artng unttn gwrdg ignut dudwn aduru nnati
> uwuwd rtwdn wudga wgatg uwwww trawu twrai rwawn daitt tadga niran wdrud
> gutua ttudn ggdua ngtgt iaurg gawnt waiga uiutr niaag iwtua wauur nnggd
> dngga gtgri naiuw dnaat wiini nngir gnnig uggtu arwwg wiuin uttga urrin
> atung aadru ainwt rwdad wuuun uuggn uwinr utttd gitgt tanug uunur twgrr
> ungna wddrr ggrai gritr inrit tngn iddng iaata uaiwg nunui gwgiw ddnnr ddaiu
> irnwr wrutg rnnwd wiwwr uuwur dwtit rwwgt ttgid uagnd aaait aidwi ttgur
> ugdgu ingia idtnn tdndu iguri ngant wanwt dtrtd aurat auraa uiita rinrw
> uuudw ungnd wtudn idddr ntwda ruidt duwat gdtrr anirr dtadu rgawu utrwr
> guarn iidri durii rrgtd aitdt ngdig ggarr nngrw iddwa awnat dnnia natiu
> iguid iugdn tirit twwgn wwdtg ngrwu uigra igwua iudru urtrt gagng atwdu
> nrddw nirig iwgnw nigra raaai rganr wruia iddug gwwir ggrar iwnuu tutrd AR
> AR AR SK"
> 
> I was just wondering if anyone out there knew anything about this particular
> station and more importantly if there's any way to decode it.
> 
> Thanks,
> Menges
> 
> -----------------------
> 
>     In your copy of the above message, you began your decode in the middle 
> of a message.  The first three groups would read as 44950 87999 99378 etc. 
> After the AR AR AR (AR = end of message), the "iwaid" repeat five time would 
> be the addressee for the next message.  This would equate to 75173 repeated 
> five times then the "=" or BT, and then into the next 150 group message. 
> Then the AR AR AR SK = (end of message, end of transmission).
> 
>     The Cubans usually begin their skeds on the hour.  They normally call up 
> three addressees, (in this case the were 35108 66842 75173), as I also 
> logged this sked.  You began your decode about halfway through the second 
> message.
> 
>     Hope this helps, and look forward to seeing more of your logs.
> 
> 73's
> Mark
> 
> 
> 
> 
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Resistance is not futile, it's (2PI * FREQ * L) / Q