| Public files | http://pubs.usgs.gov/ds/428/html/nav.html |
|---|
| Activity | Equipment |
|---|---|
| 1981-007-FA | Integrated Navigation System including a Teledyne LORAN-C, Magnavox Satellite receiver, Sperry Mark 29 gyro and Chesapeake speed log writing to HP-21MX computer with dual 9-track tape drives; |