Date of launch (location):
May 21, 1969 (ETR)
Launch vehicle:
Thrust-Augmented Long-Tank
Thor-Delta
Weight (kg):
146 (orbital)
Shape:
Cylindrical with an antenna mounted
on one end
Dimensions (m):
1.04 height (1.98 with
antenna)
1.42 diameter
Power source:
Solar cells plus NiCd
batteries
NASA's role:
Launch vehicle and ground support
(reimbursable)
Cooperating organizations:
NASA and Communications Satellite
Corporation, representing the International
Telecommunications Satellite Consortium (Intelsat)
Prime contractor:
TRW Systems Group
Objectives:
Commercial communications support for
five years from synchronous orbit above the equator (Pacific
link); capable of 1200 voice circuits or 4 TV
channels.
Results:
Successful; completed global chain of
Intelsat satellites.
Reference: NASA, "Intelsat-III F-4 Mission Operations Report," S-633-69-04, May 23, 1969.