On Tuesday 08 February 2011 01:42:42 George Herbert wrote:
On Mon, Feb 7, 2011 at 2:23 PM, Ryan Wilkins <ryan@deadfrog.net> wrote:
On Feb 7, 2011, at 4:06 PM, Michael Painter wrote:
Hi Denys I doubt it's intentional jamming since I've had the same problem. Aegis radar is very high power in full radiate mode and as such creates problems for Low Noise Amplifiers listening at 3.4-4.2 GHz. Someone needs to talk to Microwave Filter Company. http://www.microwavefilter.com/c-band_radar_elimination.htm
--Michael
+1 for Microwave Filter. They've helped me out in a couples jams before. They're very responsive and the products are good, too.
I think people in San Diego and near Norfolk, VA have the same problems.
The C-band frequencies are 2x those of the S-band (4-8 GHz for C, 2-4 GHz for S); if the SPY-1 / SPY-1D radar is frequency hopping it may well step on someone's C-band links at twice the radar's basic frequency. Just need a filter to remove actual S-band frequencies from C-band feeds. I try to install C-Band bandpass filter, no effect at all, so it is in-band interference. Putting foil (yes i try almost everything) near LNB doesn't affect interference level too.