Topband: Steady Carrier on 80 CW

[K4SAV]

The signal on 3501.6 seems to have some significant power behind it.  At 
noon (1700 UTC) it is running S7 to S1 (QSB) on my vertical.

There is also an unmodulated carrier on 10.5048 MHz, but not very strong 
(at noon).   3501.6 x 3 = 10.5048

Jerry, K4SAV



On 11/2/2013 9:52 AM, K4SAV wrote:
> I think I can do a little better on estimating the direction (better 
> than SE which I gave earlier).  I can get two 30 dB nulls out of my 
> receiving antenna by switching directions.  Those nulls appear at 145 
> and 133 degrees.  Pointed SW the signal is S9 this morning.  In the 
> null at 133 degrees the signal is S0 and not audiable.  The signal is 
> considerably stronger at the 145 degree null.  So my best guess is 133 
> degrees from Decatur, Alabama (north central Alabama).
>
> Oh!  As I was typing this, at 1353 UTC the signal on 3501.6 abruptly 
> stopped.  It was still at S9 just before it stopped.  Then at 1355 UTC 
> it came back but with RTTY for about 15 or 20 seconds, and then back 
> into its continuous unmodulated carrier mode at S9.  The RTTY burst 
> was too fast for me to boot an RTTY decoder to see if I could copy 
> anything.  I suspect this is not an unintentional radiator.
>
> There is very little QSB on this signal.  I was waiting to see if the 
> signal amplitude was going to go down after sunrise.  At 2 hours after 
> sunrise it's starting to show signs of QSB.  It went down to S4 but 
> now its back up to S8.  Now at 3 hours after sunrise it's S7 with QSB 
> on my vertical, but only about S1 on my low dipole.
>
> A line of 133 degrees from my location goes thru Jacksonville, Fl and 
> also thru that long chain of islands, Nassau Bahamas, Turks and 
> Caicos, and Haiti and Dominican Republic.  Most of Cuba would hit my 
> 145 degree null, but Guantanamo is close enough to be a candidate 
> (with a little measurement error).
>
> A measurement from Florida would be interesting.
>
> Jerry, K4SAV
>
>
>
> _________________
> Topband Reflector
>
>