There are getting to be more and more reports in the GNSS community of something at a site knocking out GPS. I can't say that I've seen more reports recently though.
Usually it gets tracked down to a broken piece of gear blasting noise in the GPS band at around 1.575ghz. One tool I suggest people use is either a handheld GPS or an app on your phone that shows you GPS SNR. If it's knocking out sync receivers and your GPS on your phone, then it might be time to borrow (or buy one of the very cheap anymore) spectrum analyzers to see if you can find the source. On Tue, Sep 24, 2024, 8:26 AM Steve Jones <thatoneguyst...@gmail.com> wrote: > So, we had an issue a few weeks ago where Nextlink turned up a new site, > Their contractors hung the wrong radio facing us and took down a licensed > link of ours for 3 days til we got it sorted. > > Since the day they turned that up, our surrounding sites have been having > nothing but trouble maintaining sync. I change the syncpipes, > syncinjectors, its hit or miss on if they come back up. I bring them back > to the shop and they work fine. > > Im not blaming nextlink, but its odd happenstance the same day they turned > up a site, these issues started. > > Forrest- have you had any increased reports of lost GPS? > particularly around new nextlink builds? > Are there any mechanisms to troubleshoot sync issues? In our case, site > monitor shows zero satellites when this occurs. > > Our cambium APs internal GPS shows birds, but many of them with abysmally > low SNRs. > > Has there been a recent GPS change? > > What type of systems can interfere with GPS? > > Could it be that harvest is starting and RTK or JD systems are doing > something new? > -- > AF mailing list > AF@af.afmug.com > http://af.afmug.com/mailman/listinfo/af_af.afmug.com >
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