Development of performance criteria and functional specifications for a passive seismic experiment on Mars Final report
Performance tests and criteria for Mars seismometer design models
Anderson, D. L.↗
Engineering topics
Lehner, F. E.
Publications and source records attributed to Lehner, F. E..
Seismometer designed for remote operation in random orientation
Portable seismometer mounted in a rugged housing can be placed in inaccessible locations and operate efficiently in other than a vertically upright position. The instrument housing contains an amplifier, transmitter, and antenna to relay measurement data to a receiving station.
Lehner, F. E.↗
Brief Description of Ranger Lunar Seismograph
Ranger spacecraft lunar seismograph
SPACECRAFT INSTRUMENTATION↗