Megamundo Jammer #20Signal JammerPort Gellhorn-1094, 3700Bolted to the central light mast of the Draper Island container terminal, at basket height; one clean shot does it, or climb the maintenance ladder. Cal keeps count of every jammer you kill.Megamundo JammersPiece 20 of 25On the mapOpen on the mapMegamundo Jammers1Megamundo Signal Jammer No. 1Vice City2Megamundo Signal Jammer No. 2Vice City3Megamundo Signal Jammer No. 3Vice City4Megamundo Signal Jammer No. 4Vice City5Megamundo Signal Jammer No. 5Vice City6Megamundo Jammer No. 6Vice City7Megamundo Jammer No. 7Vice City8Megamundo Jammer No. 8Vice CityMore places: Signal JammerMegamundo Jammer #21Port GellhornMegamundo Jammer #24AmbrosiaMegamundo Jammer #23Port GellhornMegamundo Jammer #22Port GellhornMegamundo Jammer No. 18GrassriversMegamundo Jammer #15Waning SandsNearbyCold Storage Warehouse 12WarehouseDraper Island SeaportPort / MarinaContainer 47Main MissionBig Bertha TugboatBoatDockworkers' Union Local 47Safe ZoneWyman — The Seized Transgressor (3/3)Side Mission