Flight Crew Air Transport Pilot (ATP); Flight Crew Instrument; Flight Crew Multiengine
Flight Crew Last 90 Days 219; Flight Crew Total 16624; Flight Crew Type 13060
Human-Machine Interface
Aircraft Equipment Problem Less Severe
Flight Crew Overcame Equipment Problem
Human Factors; Environment - Non Weather Related; Aircraft; ATC Equipment / Nav Facility / Buildings
'GPS invalid' appeared on initial climbout. GPSs returned at 17;000 ft.
B737 Captain reported getting a 'GPS invalid' message on departure.  The GPS systems returned to normal at 17;000 feet.