[SJRA-Members] 1.916 Intruder

Sun Dec 7 14:28:53 EST 2014

There is a discussion about it on qrz

http://forums.qrz.com/showthread.php?460061-160-Meter-Unknown-Pulse-Signal

"Radio location (i.e. LORAN) and radar were discussed again last night. It
was particularly strong (S9 + 30) in the Northeast and ops with beverage
antennas are reporting it appears to be coming over the horizon in a
southeasterly direction from the Northeast possibly Europe or Polar Russia.
Others have discussed harmonics as a source. Not sure.... but I can say for
regular QSO operation between 1.900 and 1.930 it is almost unbearable."

-----Original Message-----
From: SJRA-Members [mailto:sjra-members-bounces at mailman.qth.net] On Behalf
Of J. Alan Handley
Sent: Sunday, December 07, 2014 2:12 PM
To: Robert Kernish; Bob Turner; 'SJRA Listserv'
Subject: Re: [SJRA-Members] 1.916 Intruder

    Whatever it is, it's quite wide. It seemed to be centered closer to 1914
or 1915 kHz to me. It may be spread spectrum. If you tune through it
starting at the low end in an upward direction, the period between blips is
slightly longer. If you tune downward through it from the high end, the
blips are more rapid. That would seem to indicate that it starts at the low
end and repeatedly sweeps up in frequency.
Alan, K3WWT

----- Original Message -----
From: "Robert Kernish" <arkay8 at verizon.net>
To: "Bob Turner" <Bob at n2scj.NET>; "'SJRA Listserv'" 
<SJRA-Members at mailman.qth.net>
Sent: Sunday, December 07, 2014 10:47 AM
Subject: Re: [SJRA-Members] 1.916 Intruder

> Wikipedia article on CODAR says "The Operating Frequency Range of modern 
> equipments goes from 3 to 50 MHz and it can be programmed for unattended 
> operation for periods of up to two weeks," consistent with Codar.com data.

> Also shows a waterfall display with distinctive diagonal lines; has anyone

> seen this on 1916?
>
> Bob, KD2ADL
>
> -----Original Message----- 
> From: Bob Turner
> Sent: Sunday, December 07, 2014 9:40 AM
> To: 'Robert Kernish' ; 'SJRA Listserv'
> Subject: RE: [SJRA-Members] 1.916 Intruder
>
> General consensus seems to be CODAR.  On the RFI list someone states it's
> also being heard in California DM09.  Seems rather widespread for 40w,
> though perhaps multiple sigs on the freq are being heard.
>
> Bob
>
> -----Original Message-----
> From: SJRA-Members [mailto:sjra-members-bounces at mailman.qth.net] On Behalf
> Of Robert Kernish
> Sent: Sunday, December 07, 2014 9:27 AM
> To: SJRA Listserv
> Subject: [SJRA-Members] 1.916 Intruder
>
> A quick look at their website does not turn up 1916kHz as a working
> frequency.  Their SeaSonde sensors run 40-80W on the following 
> frequencies:
>
> Standard             Hi-Res                     Long-Range
> one of either:     one of either:         4.3-5.4 MHz
>                         11.5-14 MHz or
> 24-27 MHz         24-27 MHz or
> 40-45 MHz
>
> They do have SeasSondes off the NJ coast.  See
> http://www.codar.com/SeaSonde_gen_specs.shtml.  1.916 is an SSTV 
> frequency.
>
> Bob, KD2ADL
>
>
>
> -----Original Message-----
> From: AC2FO
> Sent: Sunday, December 07, 2014 8:58 AM
> To: 'Bob Turner'
> Cc: SJRA-Members at mailman.qth.net
> Subject: Re: [SJRA-Members] 1.916 Intruder
>
> Bob, I believe it is from Codar http://www.codar.com/index.htm with the
> storms predicted in Phillipines they may have been active. they operate on
> 1915
>
> Dennis
>
> -----Original Message-----
> From: SJRA-Members [mailto:sjra-members-bounces at mailman.qth.net] On Behalf
> Of Bob Turner
> Sent: Sunday, December 07, 2014 2:41 AM
> To: SJRA-Members at mailman.qth.net
> Subject: [SJRA-Members] 1.916 Intruder
>
> Anyone else hearing it?  It sort of sounds like a washing machine 
> agitator.
> I get it about S9 with attenuator on.  I got the initial report on a local
> repeater.  Other hams on east coast are hearing it.  From what I've been
> told, it's been on the air for 4-5 days now.  Whatever it is, its running
> BIG power.
>
>
>
> Bob
>
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