We are about 120ft up on a highrise. Mounting options/locations are limited. We plan to move it opposite of the FM antenna and 900mhz noise.
On Fri, Dec 1, 2017 at 11:13 AM, <ch...@wbmfg.com> wrote: > You could temporarily move the antenna. Run a temp cable from the CMM4 > out to the parking lot or some thing and see if the problem goes away. > > *From:* Eric Muehleisen > *Sent:* Friday, December 1, 2017 7:51 AM > *To:* af@afmug.com > *Subject:* [AFMUG] GPS visible vs tracked > > We have a site where we see unusual GPS issues. I've been graphing the > CMM4 and it visually sees between 10-15 satellites consistently. However, > tracked satellites will go from 8-10 and drop to zero for hours at a time, > then fully recover. This happens randomly a few times a week. It's gotten > worse over the past month. > > See attached. If you notice, there is an FM antenna right next to our > equipment. We have occasional ethernet related issue as well. This tends to > get worse when it rains, but overall hasn't been a major issue. > > Could our GPS issues be related to the FM station? We plan on moving the > GPS antenna to another location next week. Has anyone seen anything like > this before? >
