urn:nasa:pds:a17lsg_raw_arcsav:data:a17_lsg_1975_l1_arcsav_hk_tab 1.0 1.7.0.0 Product_Observational 1975-04-01T23:59:51.580Z 1975-06-30T23:58:37.190Z Apollo 17 Mission urn:nasa:pds:context:investigation:mission.apollo_17 data_to_investigation Apollo 17 ALSEP Spacecraft urn:nasa:pds:context:instrument_host:spacecraft.a17a is_instrument_host Apollo 17 Lunar Seismic Gravimeter Instrument urn:nasa:pds:context:instrument:lsg.a17a is_instrument MOON Satellite urn:nasa:pds:context:target:satellite.earth.moon data_to_target a17_lsg_1975_l1_arcsav_hk.tab 13328480 121168

Header 0 110 7-Bit ASCII Text

TimeOffsets 110 1 This table provides derived sampling-rate-adjusted delay time as an offset in milliseconds for computing the time for each data measurement in each RawHK Table record. The recorded time stamp provided in the first column of each RawHK record is the reference earth-received time for the sequence of data measurements within that record. To compute the start time for a specific data measurement, add the milliseconds time offset, found in this single-record table TimeOffsets for the data measurement column of interest, to the recorded time stamp in the first column of the RawHK record containing the data measurement of interest. Carriage-Return Line-Feed 10 0 110 AG-1_TimeOffset 1 30 ASCII_Integer 5 %5d ms Timing offset for Measurement Number AG-1. Add this value to the time stamp in the first column of a RawHK Table record to derive the time for the corresponding AG-1 data value in that record. AG-2_TimeOffset 2 38 ASCII_Integer 5 %5d ms Timing offset for Measurement Number AG-2. Add this value to the time stamp in the first column of a RawHK Table record to derive the time for the corresponding AG-2 data value in that record. AG-3_TimeOffset 3 46 ASCII_Integer 5 %5d ms Timing offset for Measurement Number AG-3. Add this value to the time stamp in the first column of a RawHK Table record to derive the time for the corresponding AG-3 data value in that record. AG-4_TimeOffset 4 54 ASCII_Integer 5 %5d ms Timing offset for Measurement Number AG-4. Add this value to the time stamp in the first column of a RawHK Table record to derive the time for the corresponding AG-4 data value in that record. AG-5_TimeOffset 5 62 ASCII_Integer 5 %5d ms Timing offset for Measurement Number AG-5. Add this value to the time stamp in the first column of a RawHK Table record to derive the time for the corresponding AG-5 data value in that record. AG-6_TimeOffset 6 70 ASCII_Integer 5 %5d ms Timing offset for Measurement Number AG-6. Add this value to the time stamp in the first column of a RawHK Table record to derive the time for the corresponding AG-6 data value in that record. AG-7_TimeOffset 7 78 ASCII_Integer 5 %5d ms Timing offset for Measurement Number AG-7. Add this value to the time stamp in the first column of a RawHK Table record to derive the time for the corresponding AG-7 data value in that record. AG-8_TimeOffset 8 86 ASCII_Integer 5 %5d ms Timing offset for Measurement Number AG-8. Add this value to the time stamp in the first column of a RawHK Table record to derive the time for the corresponding AG-8 data value in that record. AG-9_TimeOffset 9 94 ASCII_Integer 5 %5d ms Timing offset for Measurement Number AG-9. Add this value to the time stamp in the first column of a RawHK Table record to derive the time for the corresponding AG-9 data value in that record. AG-10_TimeOffset 10 102 ASCII_Integer 5 %5d ms Timing offset for Measurement Number AG-10. Add this value to the time stamp in the first column of a RawHK Table record to derive the time for the corresponding AG-10 data value in that record. RawHK 220 121166 This table contains raw digital analog Housekeeping (engineering) data specific to LSG operation. Housekeeping is contained in ALSEP Word 33. Each record begins with the reference earth-received time for the set of data in that record followed by 10 raw digital analog measurements identified by their LSG Measurement Number, AG-N: 1 seismic (AG-1); 1 tidal (AG-2); 1 free mode (AG-3); and 7 additional housekeeping parameters (AG-4 through AG-10) indicating the condition of the LSG. The first three analog parameters AG-1, AG-2, and AG-3 measured physical quantities that are identical to DG-1, DG-2, and DG-3 (seismic, tide, and free mode, respectively) except that they were sampled at much lower frequencies and at lower resolutions. The earth-received time column and each data measurement column are followed by a quality flag. Records are ordered by the earth-received time. Carriage-Return Line-Feed 23 0 110 EarthReceivedTime 1 1 ASCII_String 21 %-21s Day of year and time (Universal Time, formatted as yyyy-dddThh:mm:ss.sss) when the first word of the ALSEP frame containing the sequence of housekeeping measurements within this record was received at a ground tracking and receiving station on earth. Each housekeeping measurement has time offset (delta t) from this earth-received time. These timing offsets are contained in the single-record, TimeOffsets Table. EarthReceivedTime_Flag 2 23 ASCII_String 1 This field is set one of two values: An asterisk (*) indicates this EarthReceivedTime value is from ground software clock; has a suspected transmission, data synchronization or tape read error in the value; or is clearly outside the expected range for this restoration effort. A negative sign (-) indicates this value is the earth-received time, and the value does not have a suspected read or transmission error or that it is unknown if there was an error. stat 3 25 ASCII_String 4 %4s This field contains four 1-byte flags as copied from the ARCSAV tapes. The four flags from left to right are: 1) unedited time sync status; 2) unedited data sync status; 3) edited time sync status; 4) edited data sync status. Values range from 0 to 7. AG-1 4 32 ASCII_Integer 3 %3d DN Measurement Number AG-1. One LSG Seismic scientific measurement read from ALSEP Word #33 of ALSEP frame number 39. Values range from 0 to +255. -9 AG-1_Flag 5 36 ASCII_String 1 %1s This field is set one of two values: An asterisk (*) indicates this data measurement has a suspected read or transmission error; A negative sign (-) indicates this data measurement does not have a suspected read or transmission error or that it is unknown if there was an error. AG-2 6 40 ASCII_Integer 3 %3d DN Measurement Number AG-2. One LSG Tide scientific measurement read from ALSEP Word #33 of ALSEP frame number 10. Values range from 0 to +255. -9 AG-2_Flag 7 44 ASCII_String 1 %1s This field is set one of two values: An asterisk (*) indicates this data measurement has a suspected read or transmission error; A negative sign (-) indicates this data measurement does not have a suspected read or transmission error or that it is unknown if there was an error. AG-3 8 48 ASCII_Integer 3 %3d DN Measurement Number AG-3. One LSG Free Mode scientific measurement read from ALSEP Word #33 of ALSEP frame number 23. Values range from 0 to +255. -9 AG-3_Flag 9 52 ASCII_String 1 %1s This field is set one of two values: An asterisk (*) indicates this data measurement has a suspected read or transmission error; A negative sign (-) indicates this data measurement does not have a suspected read or transmission error or that it is unknown if there was an error. AG-4 10 56 ASCII_Integer 3 %3d DN Measurement Number AG-4. One LSG Heater Box Sensor Temperature measurement read from ALSEP Word #33 of ALSEP frame number 68. Values range from 0 to +255. -9 AG-4_Flag 11 60 ASCII_String 1 %1s This field is set one of two values: An asterisk (*) indicates this data measurement has a suspected read or transmission error; A negative sign (-) indicates this data measurement does not have a suspected read or transmission error or that it is unknown if there was an error. AG-5 12 64 ASCII_Integer 3 %3d DN Measurement Number AG-5. One LSG Instrument Housing Pressure measurement read from ALSEP Word #33 of ALSEP frame number 89. Values range from 0 to +255. -9 AG-5_Flag 13 68 ASCII_String 1 %1s This field is set one of two values: An asterisk (*) indicates this data measurement has a suspected read or transmission error; A negative sign (-) indicates this data measurement does not have a suspected read or transmission error or that it is unknown if there was an error. AG-6 14 72 ASCII_Integer 3 %3d DN Measurement Number AG-6. One LSG Mass Change Position measurement read from ALSEP Word #33 of ALSEP frame number 54. Values range from 0 to +255. -9 AG-6_Flag 15 76 ASCII_String 1 %1s This field is set one of two values: An asterisk (*) indicates this data measurement has a suspected read or transmission error; A negative sign (-) indicates this data measurement does not have a suspected read or transmission error or that it is unknown if there was an error. AG-7 16 80 ASCII_Integer 3 %3d DN Measurement Number AG-7. One LSG Oscillator Amplitude measurement read from ALSEP Word #33 of ALSEP frame number 24. Values range from 0 to +255. -9 AG-7_Flag 17 84 ASCII_String 1 %1s This field is set one of two values: An asterisk (*) indicates this data measurement has a suspected read or transmission error; A negative sign (-) indicates this data measurement does not have a suspected read or transmission error or that it is unknown if there was an error. AG-8 18 88 ASCII_Integer 3 %3d DN Measurement Number AG-8. One LSG +15 Volt Power Converter measurement read from ALSEP Word #33 of ALSEP frame number 38. Values range from 0 to +255. -9 AG-8_Flag 19 92 ASCII_String 1 %1s This field is set one of two values: An asterisk (*) indicates this data measurement has a suspected read or transmission error; A negative sign (-) indicates this data measurement does not have a suspected read or transmission error or that it is unknown if there was an error. AG-9 20 96 ASCII_Integer 3 %3d DN Measurement Number AG-9. One LSG -15 Volt Power Converter measurement read from ALSEP Word #33 of ALSEP frame number 53. Values range from 0 to +255. -9 AG-9_Flag 21 100 ASCII_String 1 %1s This field is set one of two values: An asterisk (*) indicates this data measurement has a suspected read or transmission error; A negative sign (-) indicates this data measurement does not have a suspected read or transmission error or that it is unknown if there was an error. AG-10 22 104 ASCII_Integer 3 %3d DN Measurement Number AG-10. One LSG +5 Volt Power Converter measurement read from ALSEP Word #33 of ALSEP frame number 69. Values range from 0 to +255. -9 AG-10_Flag 23 108 ASCII_String 1 %1s This field is set one of two values: An asterisk (*) indicates this data measurement has a suspected read or transmission error; A negative sign (-) indicates this data measurement does not have a suspected read or transmission error or that it ia unknown if there was an error.