Apollo 12 Lunar Surface Magnetometer anomalies description.

There have been four significant anomalies associated with the Apollo 12 magnetometer during the last six months of operation. All four anomalies occurred early in the mission and three have reoccurred during each day-night cycle of the moon. The following report is a description of these four anomalies.Thermal subsystem anomaly -- Digital filter anomaly -- Sensor electronics (X, Y, Z channels) anomaly -- Y axis sensor electronics anomal