[NLRS] Beacon Doppler

Clare Jarvis jarvis at jarviscomputer.com
Sun Mar 12 22:06:00 EST 2006


Perhaps MIke you just measured the speed and direction of the snow fall.  Care 
to present that calculations at Aurora?

73 Clare   de K0NY


On Sunday 12 March 2006 12:18 pm, Mike King - KM0T wrote:
> Hi guys, was messing around in the shack with my 10 and 24 GHz beacons
> pointed out the basement window.  I have been using these for frequency
> coordination since they are run off a locked source.
>
> Anyway, I looked up at the 24 GHz beacon signal on the SDR-1000 and saw two
> peaks....huh?  Tuned on the nice narrow one...the beacon - solid cw
> tone....and then the wide one up a 1 KHz or so...it was wide and raspey.
>
> It was a reflection of my beacon signal, dopper shifted back to the
> Gridinator (24 GHz tower setup)....very cool.  I turned the antennas a bit
> in az and elevation to peak it up.  I then recorded some of the signal with
> the SDR-1000.
>
> Then I checked 10 GHz, it was the same, but about half the distance away
> from the narrow local beacon cw signal, which is about right.
>
> Looked outside and it was snowing like crazy...wet big flakes and coming
> down good, windy too.  The antennas and beacons were pretty much pointed in
> the direction that the big wet snow was coming from.
>
> Perhaps I can play the file at Aurora 06 for you all.
>
> The beacon on 24 GHz is very low power 5 to 7 dbm, the 10 GHz about 10 to
> 12 dbm.
>
> Just a neat observation....
>
> 73 and good luck in the storm...
>
> Mike- KM0T
>
> NOW QRV 50 MHz thru 24 GHz with SDR-1000 IF
>
> _______________________________________________
> NLRS mailing list
> NLRS at mailman.qth.net
> http://mailman.qth.net/mailman/listinfo/nlrs

-- 
Mr. Clare Jarvis
Jarvis Computer Software
PO Box 1264
Winona MN 55987-7264

(507) 454 2575

Reply to: jarvis at jarviscomputer.com


More information about the NLRS mailing list