Dan, could it be that you have a spoofer in the area? Dana
On Sun, Nov 14, 2021 at 4:27 PM Dan Kemppainen <[email protected]> wrote: > Hi, > > Still trying to sort out the cause of that 'finger' of signal. > > Hooked up two more different GPS modules. A ZED-F9P, and a Jackson Labs > LTE-LITE eval board. > > The F9P sees the same finger in the north as the other Ublox GPS module. > The Venus receiver in the LTE Lite does not report signal above the > north pole. See attached images. > > The data for these images was all recorded concurrently. All three GPS > Modules are attached to a splitter on the same antenna, with nearly the > same length jumper cables running from the splitter to each module. > > Currently running the same test again with the Ublox Timing module, the > LTE Lite, and an adifruit "Ultimate GPS Breakout board V3" (MediaTek > MT3339). > > Dan > > > > On 11/11/2021 3:30 AM, [email protected] wrote: > > Message: 1 > > Date: Wed, 10 Nov 2021 09:54:09 -0500 > > From: Dan Kemppainen<[email protected]> > > Subject: [time-nuts] Re: GPS Elevation Mask Values. > > To:[email protected] > > Message-ID:<[email protected]> > > Content-Type: text/plain; charset=utf-8; format=flowed > > > > Hi, > > > > So, that finger of signal appearing above the north pole shows up even > > after the GPS survey is done. Any ideas on how to figure out what's > > causing that? > > > > My first thought is to try look at it with a different model of GPS unit. > > > > Is it possible it could be a signal reflection in the cable or something > > weird going on in the feed??? > > > > Another thought would be to log the GPS data, to sort out which birds > > the GPS thinks is up there. Comparing to where they actually are would > > help sort out what the signal might be bouncing off of. > > > > Dan > > > _______________________________________________ > time-nuts mailing list -- [email protected] -- To unsubscribe send > an email to [email protected] > To unsubscribe, go to and follow the instructions there. _______________________________________________ time-nuts mailing list -- [email protected] -- To unsubscribe send an email to [email protected] To unsubscribe, go to and follow the instructions there.
