Fixed coordinates for vandenberg

Author: waterskier2007

data/launchpads.rb

@@ -76,7 +76,7 @@
         name: 'Vandenberg Air Force Base',
         region: 'California',
         latitude: 34.6440904,
-        longitude: 120.5931438
+        longitude: -120.5931438
       },
       vehicles_launched: 'falcon 9',
       details: 'SpaceX original west coast launch pad for Falcon 1. Performed a static fire but was never used for a launch and abandoned due to scheduling conflicts.'
@@ -89,7 +89,7 @@
         name: 'Vandenberg Air Force Base',
         region: 'California',
         latitude: 34.6440904,
-        longitude: 120.5931438
+        longitude: -120.5931438
       },
       vehicles_launched: 'falcon 9',
       details: 'SpaceX primary west coast launch pad for polar orbits and sun synchronous orbits, primarily used for Iridium. Also intended to be capable of launching Falcon Heavy.'