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James48

(5,262 posts)

3. Only some GPS's also have GLONASS.

Reply to phazed0 (Reply #2)

Tue Jun 7, 2016, 01:08 PM

Jun 2016

Many do not have a second system, some had LORAN has the second system.

Some aircraft are especially sensitive- see the wording about Embraer PHENOM-300:

"DUE TO GPS INTERFERENCE IMPACTS POTENTIALLY AFFECTING EMBRAER PHENOM 300 AIRCRAFT FLIGHT STABILITY CONTROLS, FAA RECOMMENDS EMBRAER PHENOM PILOTS AVOID THE ABOVE TESTING AREA AND CLOSELY MONITOR FLIGHT CONTROL SYSTEMS DUE TO POTENTIAL LOSS OF GPS SIGNAL. "

More:
https://pilotweb.nas.faa.gov/PilotWeb/noticesAction.do?queryType=ALLGPS&formatType=DOMESTIC

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Highlight:

FAA Warns of GPS Outages This Month During Mysterious Tests on the West Coast [View all] Purveyor Jun 2016 OP

Post removed Post removed Jun 2016 #1

Weird. Doesn't really make sense to me. phazed0 Jun 2016 #2

Only some GPS's also have GLONASS. James48 Jun 2016 #3

Good info, thanks! phazed0 Jun 2016 #5

Weird underpants Jun 2016 #4

Effects more than flight issues ... NotHardly Jun 2016 #6

The Navy is very busy KT2000 Jun 2016 #7

Most likely this is due to.... Adrahil Jun 2016 #8

Sorry, no. Not sure where you are getting that thought from... phazed0 Jun 2016 #10

This is why awoke_in_2003 Jun 2016 #9