[Spooks] My first time with XP the strange polytone station

[KCØKBH]

I wish I could hear it.


On Fri, 25 Feb 2005 08:55:42 +0000, Mike <radio at insussex.fsworld.co.uk> wrote:
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> 
> I hope this is of general interest, if not please excuse the post.
> 
> XP observations 25/2/2005 (my first Polytone station)
> 
> Thanks to Enigma 2000 for schedules.
> 
> When I switched on my radio at 06:52 a very strong carrier was already up on
> 10831 kHz AM S+20, twice there was a short high pitched pip lasting maybe two
> seconds. At 07:00 exactly XP started its procedural call, very melodic in its
> own way, then at 07:02 there was a brief pause then the full message? started
> with a short preamble then into a much more up tempo tonal message.
> This lasted until 07:06 when the carrier dropped, at around 07:10 there was a
> very short burst of ALE maybe the receiving station confirming???
> 
> Anyway, I tuned to the next scheduled frequency of 12131 kHz AM and waited.
> At 07:12 the carrier was up again S+20, while I waited for the tones to
> start I
> tried moving my ALA1530 loop and was very surprised to be able to null and
> peak
> the carrier signal (does not usually work with frequencies above 5mhz unless
> very close)
> The difference was maybe 3 'S' points! my loop confirms that XP is on a
> North/South heading from my QTH here in West Sussex.
> No short pips were noted unlike on 10831 and later 13831.
> Right on time 07:20 XP started in the same format as for the 07:00 show on
> 10831.
> 
> The next appearance was to be on 13831 and as expected went thus:-
> 07:32 strong S+20 carrier one short pip, 07:40 call, 07:42 full message, 07:46
> signal drops.
> 
> An abridged recording showing all the features of the three transmissions will
> be on my web site for download in mp3 later.
> http://mysite.wanadoo-members.co.uk/thesecretsiteofmike/mikes.htm
> 
> Recording detail, shortened for file size.
> Name XP polytone 25.2.05.mp3 393kb (reduced from 2mb wav file so some
> distortion due to compression is present)
> 
> Short pip from 13831 at 07:32.
> Procedural call from 12131 at 07:20.
> Start up and then main message from 10831 at 07:02.
> End of message and carrier drop from 12131 at 07:26.
> 
> Kind regards
> 
> Mike
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