[time-nuts] !0 MHz standard frequency intruder

Peter Gottlieb nerd at verizon.net
Fri Jun 29 01:55:30 UTC 2012


Just make up a loop and use a compass to get a bearing from a few places.  That 
should place it close enough a local member could do the same by driving around 
and nail it.

I did that to find a CODAR transmitter.


On 6/28/2012 9:48 PM, David McGaw wrote:
> You know, if one could get accurate delays from a number of locations, one 
> could triangulate its location - just thinking.  :-)
>
> David
>
> On 6/28/12 9:40 PM, David McGaw wrote:
>> Others are hearing it too:
>>
>> http://www.hard-core-dx.com/article.php?story=20120617111532649&mode=print
>>
>> 73,
>>
>> David N1HAC
>>
>> On 6/28/12 7:33 PM, EB4APL wrote:
>>> Hello,
>>>
>>> I'm receiving, maybe from less than a  month, a new station on 10 MHz which 
>>> claims it is an "experimental time signals station".
>>> The weird thing is that they transmit music between the minute time marks, 
>>> heavily interfering with the other standard stations which share this 
>>> frequency.  Currently I receive there WWV, the Italian official standard 
>>> frequency and time station IBF and its Brazilian counterpart PPR (BTW PPR 
>>> broadcasts local time instead of UTC). They transmit continuously 24 hours a 
>>> day.
>>> Every 15 minutes a female voice says that this is an experimental time 
>>> station, gives a web page and its locator.  While I agree that anybody could 
>>> run an standard frequency and time station, given official license from 
>>> their local authorities (and after international coordination, I suppose), I 
>>> think this is a truly "pirate" station because among their weird 
>>> "programming" , I also notice:
>>>
>>> - Their carrier is currently - 4 Hz off.
>>> - The second ticks are offset enough to be perceived by ear with respect to 
>>> known standards.
>>>
>>> The transmission is in USB with full carrier (I don't have the designation 
>>> on hand).  The format is:
>>> - The whole sequence begins at multiples of 15 minutes.
>>> - At second 52 they transmit something like a 2 second burst in FSK (It can 
>>> be a fake signal without any useful information).
>>> - At second 54 begins 1 sec ticks.
>>> - Tick at second 59 is omitted, then only the tick for sec 0 is transmitted.
>>> - After the 0 sec tick a male voice announces the hour and minute. The voice 
>>> has an intonation like a news or sports speaker.
>>> - A female voice makes an announcement about being an experimental time 
>>> station, gives a web page and its locator.
>>> . The ticks are discontinued and replace by music.
>>> - The first music in a 15 minute cycle is from Peer Gynt, it is replaced 
>>> with other music the next minutes.
>>> - The next minutes lack the female voice announcement until next cycle begins.
>>>
>>> All speaking is done in Italian language.
>>> If I copied the locator correctly, the transmitter location is near Pisa, 
>>> Italy.
>>>
>>> Did anybody noticed this transmission?  I receive it in Madrid, Spain.
>>>
>>> Regards,
>>> Ignacio, EB4APL
>>>
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