Flight Crew Air Transport Pilot (ATP)
ATC Issue All Types; Aircraft Equipment Problem Less Severe
Air Traffic Control Provided Assistance; Flight Crew Requested ATC Assistance / Clarification
Environment - Non Weather Related
At FL380; between PNH (Panhandle) and ZUN (ZUNI); received ATC Fault and GPS EICAS. Ran QRH. Faults did not clear. Contacted ATC. Jamming confirmed by ATC. Passing ZUN; ATC Fault and GPS malfunctions cleared. No further problems remainder of flight. Submitted AML (maintenance log) entries for ATC Fault and GPS EICAS at ZZZ1 in accordance with FOM. Possible jamming from White Sands.
Air carrier Captain reported receiving a GPS EICAS alert related to possible jamming from White Sands.