Commercial Fixed Wing
Flight Crew Air Transport Pilot (ATP); Flight Crew Multiengine; Flight Crew Instrument
Troubleshooting; Situational Awareness; Distraction
ATC Issue All Types; Aircraft Equipment Problem Less Severe; Inflight Event / Encounter Other / Unknown
Air Traffic Control Provided Assistance; Flight Crew Requested ATC Assistance / Clarification
Environment - Non Weather Related; Aircraft
GPS jamming over Russia beginning at waypoint LOGMU; FL 340 w/associated alternating ADS-B; l and R alerts.  Jamming continued to waypoint NIBIM when unable RNP alert received. Jamming continued to waypoint UBONA; FL 340; when alerts cleared and GPS reception returned to normal operation.  Max ANP indication 5.0.  Additional alerts received were runway sys; GPS; terr pos; and ADS-B out R. All QRH checklists were accomplished for each alert with no resolution. Aircraft remained in VHF radio contact with Moscow control during entire event.  Aircraft position verified on-course with Moscow at each waypoint on flight plan until jamming ceased and GPS updating returned to normal.
Air Carrier Captain reported GPS jamming.