The Apollo 14 ALSEP downlink signal stopped on 1 March 1975. Efforts to regain a signal, by uplinking commands to switch to the redundant processor or transmitter, failed.prepared by R. Wallace.Summary and conclusions -- Introduction -- Telemetry analysis -- Simulation tests -- Test results -- Summary of test result
This Failure Mode Effects and Criticality Analysis (FMECA) identifies those potential failure modes ...
This ATM document is the Reliability FMECA (Failure Mode, Effects and Criticality Analysis) of the T...
Continuity through the circuit breaker in the mechanically closed condition was prevented by a forei...
This study was initiated under Contract No. NAS 9-5829 to determine the optimum means for providing ...
Various parameters in the downlink telemetry of Apollo 14 ALSEP appear to be going through cyclic tr...
Due to the limited real-time support of the ALSEP packages, it is difficult to precisely track the a...
This report presents a Failure Mode, Effects and Criticality Analysis (FMECA) performed on the Data ...
Since deployment of the Apollo 15 ALSEP, various anomalous events have occurred within the package. ...
An attempt was made to determine the cause of antenna tracking interruptions during Apollo 14 and Ap...
Since deployment of the Apollo 16 ALSEP, only the passive seismic experiment has experienced a recur...
Presents the results of recent tests in the ESTL (Electronic Systems Test Laboratory) to verify the ...
Various parameters in the downlink telemetry of Apollo 12 ALSEP appear to be going through cyclic tr...
The significant anomalies that occurred during the Apollo 15 mission are discussed. The five major a...
This analysis determines the command link received power margin in excess of that required for an er...
This ATM documents the Failure Modes, Effects and Criticality Analysis on the Lunar Seismic Profilin...
This Failure Mode Effects and Criticality Analysis (FMECA) identifies those potential failure modes ...
This ATM document is the Reliability FMECA (Failure Mode, Effects and Criticality Analysis) of the T...
Continuity through the circuit breaker in the mechanically closed condition was prevented by a forei...
This study was initiated under Contract No. NAS 9-5829 to determine the optimum means for providing ...
Various parameters in the downlink telemetry of Apollo 14 ALSEP appear to be going through cyclic tr...
Due to the limited real-time support of the ALSEP packages, it is difficult to precisely track the a...
This report presents a Failure Mode, Effects and Criticality Analysis (FMECA) performed on the Data ...
Since deployment of the Apollo 15 ALSEP, various anomalous events have occurred within the package. ...
An attempt was made to determine the cause of antenna tracking interruptions during Apollo 14 and Ap...
Since deployment of the Apollo 16 ALSEP, only the passive seismic experiment has experienced a recur...
Presents the results of recent tests in the ESTL (Electronic Systems Test Laboratory) to verify the ...
Various parameters in the downlink telemetry of Apollo 12 ALSEP appear to be going through cyclic tr...
The significant anomalies that occurred during the Apollo 15 mission are discussed. The five major a...
This analysis determines the command link received power margin in excess of that required for an er...
This ATM documents the Failure Modes, Effects and Criticality Analysis on the Lunar Seismic Profilin...
This Failure Mode Effects and Criticality Analysis (FMECA) identifies those potential failure modes ...
This ATM document is the Reliability FMECA (Failure Mode, Effects and Criticality Analysis) of the T...
Continuity through the circuit breaker in the mechanically closed condition was prevented by a forei...