GPS UNRELIABLE AND MAY BE UNAVAILABLE WITHIN AREA WITH
THE LATERAL LIMITS OF MASHHAD TMA AS SPECIFED IN IRAN AIP,
FM GND UP TO FL 245,
EGPWS/GPWS MAY DISPLAY ERRONEOUS INDICATION AND MAP SHIFTING,
AS REPORTED FREQUENTLY,
PILOTS SHALL REPORT GPS ANOMALIES INCLUDING DEGRADED OPERATION
AND/OR LOSS OF SERVICE, AS SOON AS POSSIBLE.