[RFI] 10 Meter OTH Radar(?)

K9MA k9ma at sdellington.us
Mon Mar 6 16:00:26 EST 2023


I saw/heard something like that, with spacing of about 10 kHz. I had the 
same thought about it being local.

73,
Scott K9MA

On 3/6/2023 10:04 AM, Pete Smith N4ZR wrote:
> OK, good to hear it wasn't local to me here.  It looked like a picket 
> fence on my spectrum display, and I was glad when it stopped.
>
> 73, Pete N4ZR
>
> On 3/6/2023 10:47 AM, nm8rmedic via RFI wrote:
>> IARU Intruder Watch usually lists information about this signal. I 
>> believe it's regarded as an Iranian OTHR.  IW has a pretty dedicated 
>> bunch of observers around the globe. It's interesting to see their 
>> logs of signals that intrude in our amateur bands. I use their 
>> reports to help explain some oddities heard from time to 
>> time.ScottNM8RSent from my Verizon, Samsung Galaxy smartphone
>> -------- Original message --------From: Larry 
>> K4AB<larry.k4ab at gmail.com>  Date: 3/6/23  10:17 (GMT-05:00) To: 
>> rfi<rfi at contesting.com>  Subject: [RFI] 10 Meter OTH Radar(?) K1TO 
>> wrote:>Who else noticed the on/off QRN about 100 khz wide and 
>> centered at roughly28650-29000 at various times?I certainly did.  A 
>> very broad, and loud, digital-sounding signal.  Myfirst guess was 
>> some sort of over the horizon radar system. Does anyonehave any 
>> information?If it is a type of "nation-state" system, I presume it 
>> would be verydifficult, if not impossible, to prevent it from using 
>> the amateur radiofrequencies.73,Larry 
>> K4AB_______________________________________________RFI 
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-- 
Scott  K9MA

k9ma at sdellington.us


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