Re: [time-nuts] GNSS beam forming (was: NIST)

2018-08-31 Thread Gregory Maxwell
On Fri, Aug 31, 2018 at 2:56 PM Attila Kinali wrote: > "Just DSP work" is a tad bit more than you think. You are dealing > with sevaral 1Msps of data, even for a simple L1 C/A receiver. > If you are going multi-band-multi-GNSS you are usually in the 50MHz BW > at L1 and 80MHz BW at L2/L5 range,

Re: [time-nuts] GNSS beam forming (was: NIST)

2018-08-31 Thread Scott McGrath
I/We track down things that jam weather radars. Mostly WiFi access points misconfigured. Which share many of the characteristics of GPS jammers 1 - small low powered 2 - one can ruin a pilots entire day 3 - distributed 4 - can literally be anywhere Stuff like this is why FCC blocked anyone