[Spooks] Polish pip

[Ary Boender]

Hi Pavel,

It's about the same strength as I have here in Holland. The signal is 8kHz
wide. The loudest signal here is on 1810 kHz. I still have no idea what it
is. The sound makes me think that it is some kind of hyperbolic
navigational system. Hyperfix also sounded a bit like this. It's just a
guess though.

73, Ary

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> Hi Ary,
>   I've made a recording. It's a video, to demonstrate tuning in 820 Hz
> steps,
> which I've mentioned formerly. It's in a format which my mobile generates
> (.3gp), it's about 120MB long (sorry, I don't have time to recode it now)
> and
> it's available at
> http://sinus.cz/~patrol/unsorted/polish_pip-110208-1800z.3gp
>   The signal is not much above the noise background, which is 9+10dB
> tonight,
> but something can be heard.
>   73, Pavel
>
>> I have a faint signal here, Pavel, but it's clearly the PP. I will try
>> it later
>> tonight again.
>>
>> 73, Ary
>>
>> On Tue, 8 Feb 2011 18:18:56 +0100, you wrote:
>>
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>> from this list
>> >
>> >Hi Ary,
>> >  I can hear it today! Now (16:50z) it's running, a really strange
>> pulsing with
>> >a harmonics-rich wave! It looks like there are "subchannels" spaced by
>> 820 Hz.
>> >I mean, when for example on USB, I tune 820 Hz up, I can hear almost
>> the same
>> >signal like on 1812 kHz. The same repeats for 1813.64, 1814.46, 1815.28
>> and
>> >1816.10. Similar "subchannels" are there when going down by 820 Hz
>> steps.
>> >  It can be also interpreted as transmitting a square or triangle or
>> similar
>> >wawe, which can have spectrum similar to the observed one.
>> >  I think it's definitely not a channel marker like the Buzzer or
>> Squeaky
>> >wheel, maybe it really serves some special purpose like navigation,
>> time
>> >synchronization or similar.
>> >  With regards, Pavel.
>> >
>> >> Hi Pavel,
>> >>
>> >> It looks like the station is off the air. I have checked it with
>> several people
>> >> who have heard the station almost daily during the past 2 years. They
>> too did
>> >> not hear it in the past 10 days.
>> >>
>> >> 73, Ary
>> >>
>> >>
>> >> On Tue, 8 Feb 2011 06:06:18 +0100, you wrote:
>> >>
>> >> >Visit http://mailman.qth.net/mailman/listinfo/spooks to unsubscribe
>> from this list
>> >> >
>> >> >Hi!
>> >> >  Yes, it sounds nice from the recording, but I've never heard it
>> from my
>> >> >radio. Since first post in this thread, I'm monitoring the freq
>> regularly
>> >> >and all I get is hamish CW and once a long series of dots - I think
>> somebody
>> >> >with automatic key was tuning his antenna.
>> >> >  Can anybody confirm current presence of the signal ?
>> >> >  With regards, Pavel
>> >> >
>> >> >> Visit http://mailman.qth.net/mailman/listinfo/spooks to
>> unsubscribe from this list
>> >> >>
>> >> >> That is a surprisingly pleasant signal!
>> >> >>
>> >> >> Good recording.
>> >> >>
>> >> >> Thanks!
>> >> >>
>> >> >> Kurt
>> >> >>
>> >> >> ----- Original Message -----
>> >> >> From: "Ary Boender" <ary at luna.nl>
>> >> >>
>> >> >> : The "Polish pip" was first reported in August 2008, It transmits
>> on 1812
>> >> >> kHz.
>> >> >> : The location is reportedly Koszalin in Poland and is possibly
>> owned by the
>> >> >> : Polish navy. The station transmitted 5 tones on USB and 5 tones
>> on LSB.
>> >> >> : Bandwidth ca. 8 kHz. Schedule: 24/7. Lately I can hear only 5 or
>> 6 pips
>> >> >> but I
>> >> >> : have some noise around this freq. So far I have not heard it nor
>> have I
>> >> >> seen
>> >> >> : logs for other frequencies. It might be some sort of
>> navigational signal.
>> >> >>
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