[Lowfer] JAM session

Clint Turner turner at ussc.com
Mon Jan 17 11:48:57 EST 2011


I ran another "listening" session with Spectran last night:  The noise 
was generally fairly low, but nothing that I could say was evidence of 
JAM...

Maybe Condx will be better another weekend.

73,

Clint
KA7OEI/CT


Lee wrote:
> Thanks for looking Clint. I'm hearing that conditions are not so great.
> Just my luck.
>
> 73 Lee
>
>
> -----Original Message-----
>    
>> From: Clint Turner<turner at ussc.com>
>> Sent: Jan 16, 2011 9:32 AM
>> To: "Discussion of the Lowfer (US, European,&amp;
>> 	UK) and MedFer bands"<lowfer at mailman.qth.net>
>> Subject: [Lowfer] JAM session
>>
>> I let the system sit overnight to see if I could spot a signal from the
>> JAM beacon around 187 kHz.
>>
>> Even though my RX system was limited by atmospheric noise, I didn't see
>> anything obvious from JAM - but:
>>
>> On several occasions there were some faint lines at around 5-15Hz below
>> 187.000 kHz, but they were moving around in frequency too much (they had
>> repeated downward "tilts") and had too much "bin dilution" at the QRSS30
>> bandwidth to be readable.  Their appearance was strongest and most
>> frequent at around 0530-0700 local.
>>
>> I may try again overnight/tomorrow with a wider bin-width.
>>
>> 73,
>>
>> Clint
>> KA7OEI/CT


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