.
| COMMUNICATIONS AND NAVIGATION | ||
| PLRC-010218 | -- |
Project ELF:
Extreme Low Frequency Signals To Submarines 18 February 2001 (12 Pages, 418kb) |
| PLRC-941005B | -- |
ELF History:
Extreme Low Frequency Communication Revised 18 February 2001 (6 pages, 21kb) [No more revisions planned] |
| PLRC-980312B | -- |
NAVSTAR:
GPS Satellite Navigation Revised 6 March 2002 (5 pages, 57kb) [No more revisions planned] |
| PLRC-980302B | -- |
MILSTAR And AEHF Satellites:
Military Communication Revised 6 March 2002 (6 pages, 104kb) [No more revisions planned] |
|
|