[Spooks] Polish pip

[Ary Boender]

Hi, I tried it again at 2146 UTC but the signal was very weak and several CW
HAMs blocked the signal above 1810 kHz.

73, Ary

On Tue, 8 Feb 2011 21:49:27 +0100 (CET), you wrote:

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>
>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
>
> > Visit http://mailman.qth.net/mailman/listinfo/spooks to unsubscribe from
>> this list
>>
>> 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:
>>>
>>> >Visit http://mailman.qth.net/mailman/listinfo/spooks to unsubscribe
>>> 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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