That is why Starlink told those in Ukraine to be careful in using their system. 
 

From: Jaime Solorza 
Sent: Wednesday, March 16, 2022 4:45 PM
To: AnimalFarm Microwave Users Group 
Subject: Re: [AFMUG] DFS Hits El Paso Area

Faraday cage

On Wed, Mar 16, 2022, 3:18 PM <dmmoff...@gmail.com> wrote:

  I wonder how they RF secure a whole building.  



  From: AF <af-boun...@af.afmug.com> On Behalf Of Jaime Solorza
  Sent: Wednesday, March 16, 2022 4:20 PM
  To: AnimalFarm Microwave Users Group <af@af.afmug.com>
  Subject: Re: [AFMUG] DFS Hits El Paso Area



  Speaking of TI, many moons ago we set up some temporary 5GHz video links 
using Trango radios for a TxDOT project in Dallas area...some of the cameras 
and radios were installed on roof of TI building...as we were escorted up the 
stairs by security, one of our tower guys called me on my Engenius 900MHz 
cordless phone to say he was ready to align...the security guard was surprised 
because he said the building was RF secure and they blocked cellphones..

  He asked to borrow it so they could check it out...lol..

  Apparently the 1 watt and FHSS modulation used by these was not something 
they were prepared for!!

  We had a lot of fun with those phones..true full duplex and crystal clear..



  On Wed, Mar 16, 2022, 1:59 PM Steve Jones <thatoneguyst...@gmail.com> wrote:

    I get a kick out of the fact Texas Instruments designs missiles and 
calculators



    On Wed, Mar 16, 2022 at 9:59 AM <dmmoff...@gmail.com> wrote:

      Here’s the eye poker they should use on intentionally misconfigured 
systems:

      https://en.wikipedia.org/wiki/AGM-88_HARM





      From: AF <af-boun...@af.afmug.com> On Behalf Of Bill Prince
      Sent: Wednesday, March 16, 2022 9:49 AM
      To: af@af.afmug.com
      Subject: Re: [AFMUG] DFS Hits El Paso Area



      It's all fun and games until somebody loses an eye.



bp<part15sbs{at}gmail{dot}com>On 3/16/2022 5:48 AM, dmmoff...@gmail.com wrote:

        It’s all fun and games until you interfere with a military radar.



        From: dmmoff...@gmail.com mailto:dmmoff...@gmail.com 
        Sent: Wednesday, March 16, 2022 8:48 AM
        To: 'AnimalFarm Microwave Users Group' mailto:af@af.afmug.com
        Subject: RE: [AFMUG] DFS Hits El Paso Area



        Some devices if you factory default them you can pick a different 
country on first bootup.  I knew a guy who used to set all of his Ubiquiti 
stuff to “Hong Kong” so he could avoid power and DFS rules in 5.2-5.6ghz.  
        I am not recommending this course of action, and I would personally not 
be comfortable with the liability (and bad neighborliness) that would come with 
that, but it’s definitely a thing people do.  





        From: AF <af-boun...@af.afmug.com> On Behalf Of Jaime Solorza
        Sent: Tuesday, March 15, 2022 6:58 PM
        To: AnimalFarm Microwave Users Group <af@af.afmug.com>
        Subject: Re: [AFMUG] DFS Hits El Paso Area



        Lol...don't US radios have US, Canada and Canada Licensed as options?

        Anyways ...these are not my radios...



        On Tue, Mar 15, 2022, 3:09 PM <dmmoff...@gmail.com> wrote:

          Change your country code to Russia and you won’t have any DFS hits 
anymore 😊
          (not actually a good idea)



          From: AF <af-boun...@af.afmug.com> On Behalf Of Jaime Solorza
          Sent: Tuesday, March 15, 2022 2:35 PM
          To: AnimalFarm Microwave Users Group <af@af.afmug.com>
          Subject: Re: [AFMUG] DFS Hits El Paso Area



          This happened after 911 in Del Rio/Bracketville Texas areas...Tsunami 
ptp links for hospital to clinic 5Ghz link...they would start at 6:00am and 
stop at 9:00pm..

          Link would come back up!!  

          It affected some VoiceStream (T-Mobile now) tower to tower links as 
well..  

          I believe the statute  of limitations is over, if not, this was a 
dream ala Dallas episode.

          We ended  up putting  a parallel 2.4GHz link using two Teletronic 
wireless router which supported bridge mode and had channel 14 with a friendly 
1 watt booster on the AP side...they would use it when they needed to send 
X-rays only and turn it off when not in use.   They would transfer files and 
updates at night....used it for several months after the Air Force base went 
back to normal operations.

          No hablo...




          Jaime Solorza

          Wireless Systems Architect

          915-861-1390





          On Tue, Mar 15, 2022 at 12:15 PM Steve Jones 
<thatoneguyst...@gmail.com> wrote:

            I would not be suprised to see multiple avenues of interference 
near military bases across all communication spectrum. There has got to be a 
lot of testing taking place in the event things go in a southerly direction 
over there and we have to either deploy or provide systems to interfere with 
communication systems of scale over large geography. 



            On Tue, Mar 15, 2022, 11:11 AM Larry Smith <lesm...@ecsis.net> 
wrote:


              Quite a few military bases are ramping up activity due to
              the situation in Ukraine I believe.

              -- 
              Larry Smith
              lesm...@ecsis.net

              On Tue March 15 2022 10:41, Jaime Solorza wrote:
              > Hello Fine Feathered Friends:
              > Since last week several WISPs in the area have been getting DFS 
hits which
              > change their frequencies to the 5745MHz mostly!   They all have 
pops on the
              > Franklin Mountains which exposes them to radar signals from El 
Paso
              > International Airport, Santa Teresa Airport, Fort Bliss, Biggs, 
McGregor,
              > and WSMR.
              >
              > It has never been this bad.....any ideas?
              > thx
              > Jaime Solorza
              > Wireless Systems Architect
              > 915-861-1390

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