Megamundo Jammer No. 18Signal JammerGrassrivers-1202, 1583On the roof of Capri train station, behind the clock: a grey box stamped 'Sahara Logistics'. Climb the fire stairs on the platform side.Mission given byCal HamptonMegamundo JammersPiece 18 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 Signal Jammer No. 5Vice CityMegamundo Jammer #24AmbrosiaMegamundo Jammer #21Port GellhornMegamundo Jammer #20Port GellhornMegamundo Signal Jammer No. 4Vice CityMegamundo Jammer #10Vice CityNearbyThe Palm Lane SinkholeSinkhole1986 Time Capsule No. 6Time CapsuleBrother Ezekiel — Healing Water (1/3)Side MissionCapri City Jackals StadiumSocial Media Spot'RIP Rudi' MemorialEaster EggCapri Ammu-NationGun Shop