[Spooks] "INTRUDER SIGNAL" ON 40 METERS REMAINS A MYSTERY FOR NOW

[blitz]

By any chance do you have a recording or a spectrogram?

At 21:11 9/11/2004, you wrote:
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>It apparently disappeared before Friday night (still not heard tonight), 
>EST.  I am hoping ARRL will have news on Monday about the source of the 
>signal.  It consisted of only 5 or so unmodulated carriers, spaced equally 
>by about 84-88 hertz (my own measurements).  The RF was not stable and 
>showed slow drifts of the order of a few tens of hertz, but the spacing of 
>the carriers did appear constant.  There was never any information content 
>although both VE6JY and myself observed the whole thing to go off the air 
>without warning for a few seconds on several occasions.
>Not sure if it matches any BPL signals.
>
>73,
>... Martin    VE3OAT
>
>
>
>blitz wrote:
>>Anyone got any ideas?
>>==>"INTRUDER SIGNAL" ON 40 METERS REMAINS A MYSTERY FOR NOW
>>An unidentified signal that's been showing up on the 40-meter phone band
>>on or about 7238 kHz has mystified amateurs in the western US and Canada,
>>where it's been heard frequently for the past few weeks. Although it
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