Year
Request
Programmed
.
1969
2 250
2 457
1970
2 510
2 663
1971
2 200
3 131a
1972
2 080
3 063
1973
2 770
2 430
1474
2 400
--- b
1975
2 140
---
a The amount programmed for receiving and transmitting subsystems only was estimated at $2 220 000 in the FY 1972 budget estimate.
b The amount programmed for tracking, orbit determination, and ground-based navigation was estimated at $2 490 000 in the FY 1975 budget estimate; the advanced systems category was not broken down by individual projects in the FY 1976 through FY 1980 budget estimates.