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Messenger >> MAG

MESSENGER MAG Alternating Current Data Collection
mess-mag-raw	PDS 4 CERTIFIED

Start Time: 2004-09-13 10:00:00 - Stop Time: 2015-04-30 01:08:14

Contains alternating current (AC) level values at the commanded sample rate. To conserve telemetry the vector sampling will usually be less than the maximum rate, 20 sample/s. To provide a record of the amplitude of fluctuations for frequencies higher than 1 Hz, an AC amplitude is calculated from the more ...

Citiation Information

Author	Korth, H.
Title	MESSENGER MAG Alternating Current Data Collection
Description	Contains alternating current (AC) level values at the commanded sample rate. To conserve telemetry the vector sampling will usually be less than the maximum rate, 20 sample/s. To provide a record of the amplitude of fluctuations for frequencies higher than 1 Hz, an AC amplitude is calculated from the internally sampled 20/s data for the sensor axis commanded as the AC_AXIS. Thus, in addition to the vector samples data, a 1 Hz to 10 Hz bandpass average amplitude is evaluated for the commanded sensor axis, selected by command, and recorded as a log AC value with a 4-bit mantissa of the four most significant non-zero bits and a 4-bit power of two exponent of the 4th (least significant) bit of the mantissa. This is called the logAC value. It is created once per second and saved for telemetry at that rate or at the commanded science rate, whichever is less frequent.
Publisher	NASA Planetary Data System
Publication Year	2021
doi	https://doi.org/10.17189/1522364

PDS3 References

http://doi.org/10.17189/1519744

Top/ data/ log_ac_data/ 2011/ 274_304_OCT /

MAGLAC112740000_V1

Start Time:	2011-10-01T00:00:01.000Z	Stop Time:	2011-10-01T23:59:53.000Z
The table contains the timetags and 3-axis samples of the magnetic field. The sampling rate is commandable and can vary. The data from each packet

MAGLAC112750001_V1

Start Time:	2011-10-02T00:01:33.000Z	Stop Time:	2011-10-02T23:59:47.000Z
The table contains the timetags and 3-axis samples of the magnetic field. The sampling rate is commandable and can vary. The data from each packet

MAGLAC112760001_V1

Start Time:	2011-10-03T00:01:27.000Z	Stop Time:	2011-10-03T23:59:29.000Z
The table contains the timetags and 3-axis samples of the magnetic field. The sampling rate is commandable and can vary. The data from each packet

MAGLAC112770001_V1

Start Time:	2011-10-04T00:01:09.000Z	Stop Time:	2011-10-04T23:59:57.000Z
The table contains the timetags and 3-axis samples of the magnetic field. The sampling rate is commandable and can vary. The data from each packet

MAGLAC112780000_V1

Start Time:	2011-10-05T00:00:07.000Z	Stop Time:	2011-10-05T23:59:11.000Z
The table contains the timetags and 3-axis samples of the magnetic field. The sampling rate is commandable and can vary. The data from each packet

MAGLAC112790000_V1

Start Time:	2011-10-06T00:00:51.000Z	Stop Time:	2011-10-06T23:58:56.000Z
The table contains the timetags and 3-axis samples of the magnetic field. The sampling rate is commandable and can vary. The data from each packet

MAGLAC112800000_V1

Start Time:	2011-10-07T00:00:36.000Z	Stop Time:	2011-10-07T23:59:52.000Z
The table contains the timetags and 3-axis samples of the magnetic field. The sampling rate is commandable and can vary. The data from each packet

MAGLAC112810000_V1

Start Time:	2011-10-08T00:00:02.000Z	Stop Time:	2011-10-08T23:59:43.000Z
The table contains the timetags and 3-axis samples of the magnetic field. The sampling rate is commandable and can vary. The data from each packet

MAGLAC112820000_V1

Start Time:	2011-10-09T00:00:33.000Z	Stop Time:	2011-10-09T23:58:37.000Z
The table contains the timetags and 3-axis samples of the magnetic field. The sampling rate is commandable and can vary. The data from each packet

MAGLAC112830000_V1

Start Time:	2011-10-10T00:00:17.000Z	Stop Time:	2011-10-10T23:58:20.000Z
The table contains the timetags and 3-axis samples of the magnetic field. The sampling rate is commandable and can vary. The data from each packet

MAGLAC112840000_V1

Start Time:	2011-10-11T00:00:00.000Z	Stop Time:	2011-10-11T23:59:59.000Z
The table contains the timetags and 3-axis samples of the magnetic field. The sampling rate is commandable and can vary. The data from each packet

MAGLAC112850000_V1

Start Time:	2011-10-12T00:00:09.000Z	Stop Time:	2011-10-12T23:59:34.000Z
The table contains the timetags and 3-axis samples of the magnetic field. The sampling rate is commandable and can vary. The data from each packet

MAGLAC112860001_V1

Start Time:	2011-10-13T00:01:14.000Z	Stop Time:	2011-10-13T23:59:21.000Z
The table contains the timetags and 3-axis samples of the magnetic field. The sampling rate is commandable and can vary. The data from each packet

MAGLAC112870001_V1

Start Time:	2011-10-14T00:01:01.000Z	Stop Time:	2011-10-14T23:59:24.000Z
The table contains the timetags and 3-axis samples of the magnetic field. The sampling rate is commandable and can vary. The data from each packet

MAGLAC112880001_V2

Start Time:	2011-10-15T00:01:04.000Z	Stop Time:	2011-10-15T23:58:49.000Z
The table contains the timetags and 3-axis samples of the magnetic field. The sampling rate is commandable and can vary. The data from each packet

MAGLAC112890000_V1

Start Time:	2011-10-16T00:00:29.000Z	Stop Time:	2011-10-16T23:58:34.000Z
The table contains the timetags and 3-axis samples of the magnetic field. The sampling rate is commandable and can vary. The data from each packet

MAGLAC112900000_V1

Start Time:	2011-10-17T00:00:14.000Z	Stop Time:	2011-10-17T23:59:56.000Z
The table contains the timetags and 3-axis samples of the magnetic field. The sampling rate is commandable and can vary. The data from each packet

MAGLAC112910000_V1

Start Time:	2011-10-18T00:00:06.000Z	Stop Time:	2011-10-18T23:59:50.000Z
The table contains the timetags and 3-axis samples of the magnetic field. The sampling rate is commandable and can vary. The data from each packet

MAGLAC112920000_V1

Start Time:	2011-10-19T00:00:00.000Z	Stop Time:	2011-10-19T23:59:54.000Z
The table contains the timetags and 3-axis samples of the magnetic field. The sampling rate is commandable and can vary. The data from each packet

MAGLAC112930000_V1

Start Time:	2011-10-20T00:00:04.000Z	Stop Time:	2011-10-20T23:59:57.000Z
The table contains the timetags and 3-axis samples of the magnetic field. The sampling rate is commandable and can vary. The data from each packet

MAGLAC112940000_V1

Start Time:	2011-10-21T00:00:07.000Z	Stop Time:	2011-10-21T23:59:57.000Z
The table contains the timetags and 3-axis samples of the magnetic field. The sampling rate is commandable and can vary. The data from each packet

MAGLAC112950000_V1

Start Time:	2011-10-22T00:00:07.000Z	Stop Time:	2011-10-22T23:59:50.000Z
The table contains the timetags and 3-axis samples of the magnetic field. The sampling rate is commandable and can vary. The data from each packet

MAGLAC112960000_V1

Start Time:	2011-10-23T00:00:00.000Z	Stop Time:	2011-10-23T23:59:54.000Z
The table contains the timetags and 3-axis samples of the magnetic field. The sampling rate is commandable and can vary. The data from each packet

MAGLAC112970000_V1

Start Time:	2011-10-24T00:00:04.000Z	Stop Time:	2011-10-24T23:59:56.000Z
The table contains the timetags and 3-axis samples of the magnetic field. The sampling rate is commandable and can vary. The data from each packet

MAGLAC112980000_V1

Start Time:	2011-10-25T00:00:06.000Z	Stop Time:	2011-10-25T23:59:56.000Z
The table contains the timetags and 3-axis samples of the magnetic field. The sampling rate is commandable and can vary. The data from each packet

MAGLAC112990000_V1

Start Time:	2011-10-26T00:00:06.000Z	Stop Time:	2011-10-26T23:58:21.000Z
The table contains the timetags and 3-axis samples of the magnetic field. The sampling rate is commandable and can vary. The data from each packet

MAGLAC113000000_V1

Start Time:	2011-10-27T00:00:01.000Z	Stop Time:	2011-10-27T23:58:24.000Z
The table contains the timetags and 3-axis samples of the magnetic field. The sampling rate is commandable and can vary. The data from each packet

MAGLAC113010000_V1

Start Time:	2011-10-28T00:00:04.000Z	Stop Time:	2011-10-28T23:59:32.000Z
The table contains the timetags and 3-axis samples of the magnetic field. The sampling rate is commandable and can vary. The data from each packet

MAGLAC113020001_V1

Start Time:	2011-10-29T00:01:12.000Z	Stop Time:	2011-10-29T23:59:24.000Z
The table contains the timetags and 3-axis samples of the magnetic field. The sampling rate is commandable and can vary. The data from each packet

MAGLAC113030001_V2

Start Time:	2011-10-30T00:01:04.000Z	Stop Time:	2011-10-30T23:59:28.000Z
The table contains the timetags and 3-axis samples of the magnetic field. The sampling rate is commandable and can vary. The data from each packet

MAGLAC113040001_V1

Start Time:	2011-10-31T00:01:08.000Z	Stop Time:	2011-10-31T23:59:57.000Z
The table contains the timetags and 3-axis samples of the magnetic field. The sampling rate is commandable and can vary. The data from each packet

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