ATS 1
Transmitted the first high resolution photos of the Earth. First GEO
meteorology satellite. It also relayed color television across the U.S. and was
the first satellite to permit two-way VHF communication between ground and
aircraft in flight.
During the recovery operations for the flight of Apollo 11 in 1969, the
spacecraft served as the primary communications link between the White House
and President Nixon in the Pacific as the President witnessed the return of the
moon-landing astronauts from the deck of the U.S. Navy carrier USS Hornet.
Transmits on 137.35 MHz (weak signal)
spin-stabilized