Earth Science
Explorer 20 (IE A, Ionospheric Explorer A, TOPSI, Top Side Explorer or S 48) was designed to measure electron distribution, ion density and temperature, and to estimate cosmic noise levels between 2 and 7 MHz.
Orbital Attempt
#353
NASA Mission
#55
Pad Launch
#13
Location Launch
#142
Designator
1964-051
Aug 25, 1964, 1:43 PM
1 update
Space Launch Complex 5 (SLC-5) was a launch pad at Vandenberg Space Force Base in California, United States. It was previously part of the Point Arguello Naval Air Station, during which time it was designated Launch Complex D or LC-D. Constructed in 1961, it was used by 69 Scout launch vehicles between 1962 and 1994.
Total Launches
69
Orbital Attempts
69
Fastest Turnaround
11d 17h
Vandenberg Space Force Base is a United States Space Force Base in Santa Barbara County, California. Established in 1941, Vandenberg Space Force Base is a space launch base, launching spacecraft from the Western Range, and also performs missile testing. The United States Space Force's Space Launch Delta 30 serves as the host delta for the base, equivalent to an Air Force air base wing. In addition to its military space launch mission, Vandenberg Space Force Base also hosts space launches for civil and commercial space entities, such as NASA and SpaceX.
Timezone
America/Los_Angeles
Local Launch Time
Aug 25, 1964, 6:43 AM
Total Launches
900
Total Landings
35
Coordinates
34.7513, -120.5202
