Where is the onus at to track when you pay for the license? The "protection" would not seem to exist if that protection did not come with location and mitigation. I assume you dont just say, hey, fcc theres noise, fine them.
On Thu, Aug 29, 2019 at 8:45 AM Ken Hohhof <af...@kwisp.com> wrote: > Is the other path 4 degrees off from you on the same frequency and > polarization? If so, wow, 4 degrees doesn't sound like much. Have you > checked with your frequency coordinator to see if that's kosher? Maybe it > is, I don't know how they determine such things, just seemed surprising to > me, even with Cat A antennas having very narrow beams and low sidelobes. > > Also curious, does the signal go away completely after noon? That seems > strange, unless it's being affected by some sort of ducting or reflection. > 18 GHz links normally transmit 24x7. > > > -----Original Message----- > From: AF <af-boun...@af.afmug.com> On Behalf Of Nate Burke > Sent: Thursday, August 29, 2019 7:56 AM > To: Animal Farm <af@af.afmug.com> > Subject: [AFMUG] Tracking Down Licensed Noise > > In my ongoing saga of troubleshooting an 18ghz link, we think we're pretty > sure the issue we are having now is Noise. From around 7am - noon or 1pm, > the background noise on my Horizontal polarity goes to about -81. Has > anyone had to troubleshoot finding the source of noise on a licensed > channel? Do you just start contacting everyone on the same channel within > a > few miles and see if they will disable their transmitter to see if it goes > away? > > We have found 2 other licenses which are pointing kind of at us. If I > point > my dish (in RX only mode) at one of the transmitters, which is 10 degrees > off my path (I am 4 degrees off their path), I hear it at -70 > > The Other license is for one of the Day Traders. The GPS Coordinates in > the > License put it 20 degrees off my path, I know there is no dish where the > GPS > Coordinates say. However, if it's where I think it might be (on a pole on > the other end of the building), then it's basically pointing at me. > Although, with it being a Day trader, there's a good chance it was never > installed, or has been decommissioned. Those guys throw licenses and > dishes > up and down like yesterdays fashions. > > Any Tips for the next step? > > -- > AF mailing list > AF@af.afmug.com > http://af.afmug.com/mailman/listinfo/af_af.afmug.com > > > > -- > AF mailing list > AF@af.afmug.com > http://af.afmug.com/mailman/listinfo/af_af.afmug.com >
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