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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

MESSENGER MAG Raw Data Bundle

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/ 2012/ 245_274_SEP /

MAGLAC122450000_V1

Start Time:	2012-09-01T00:00:06.000Z	Stop Time:	2012-09-01T23:59:50.000Z
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

MAGLAC122460000_V1

Start Time:	2012-09-02T00:00:00.000Z	Stop Time:	2012-09-02T23:59:58.000Z
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

MAGLAC122470000_V1

Start Time:	2012-09-03T00:00:08.000Z	Stop Time:	2012-09-03T23:59:55.000Z
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

MAGLAC122480000_V1

Start Time:	2012-09-04T00:00:05.000Z	Stop Time:	2012-09-04T23:59:51.000Z
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

MAGLAC122490000_V1

Start Time:	2012-09-05T00:00:01.000Z	Stop Time:	2012-09-05T23:59:59.000Z
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

MAGLAC122500000_V1

Start Time:	2012-09-06T00:00:09.000Z	Stop Time:	2012-09-06T23:59:54.000Z
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

MAGLAC122510000_V1

Start Time:	2012-09-07T00:00:04.000Z	Stop Time:	2012-09-07T23:59:50.000Z
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

MAGLAC122520000_V1

Start Time:	2012-09-08T00:00:00.000Z	Stop Time:	2012-09-08T23:59:56.000Z
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

MAGLAC122530000_V1

Start Time:	2012-09-09T00:00:06.000Z	Stop Time:	2012-09-09T23:59:51.000Z
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

MAGLAC122540000_V1

Start Time:	2012-09-10T00:00:01.000Z	Stop Time:	2012-09-10T23:59:55.000Z
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

MAGLAC122550000_V1

Start Time:	2012-09-11T00:00:05.000Z	Stop Time:	2012-09-11T23:59:58.000Z
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

MAGLAC122560000_V1

Start Time:	2012-09-12T00:00:08.000Z	Stop Time:	2012-09-12T23:59:51.000Z
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

MAGLAC122570000_V1

Start Time:	2012-09-13T00:00:01.000Z	Stop Time:	2012-09-13T23:59:51.000Z
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

MAGLAC122580000_V1

Start Time:	2012-09-14T00:00:01.000Z	Stop Time:	2012-09-14T23:59:52.000Z
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

MAGLAC122590000_V1

Start Time:	2012-09-15T00:00:02.000Z	Stop Time:	2012-09-15T23:59:53.000Z
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

MAGLAC122600000_V1

Start Time:	2012-09-16T00:00:03.000Z	Stop Time:	2012-09-16T23:59:51.000Z
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

MAGLAC122610000_V1

Start Time:	2012-09-17T00:00:01.000Z	Stop Time:	2012-09-17T23:59:50.000Z
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

MAGLAC122620000_V1

Start Time:	2012-09-18T00:00:00.000Z	Stop Time:	2012-09-18T23:59:51.000Z
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

MAGLAC122630000_V1

Start Time:	2012-09-19T00:00:01.000Z	Stop Time:	2012-09-19T23:59:54.000Z
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

MAGLAC122640000_V1

Start Time:	2012-09-20T00:00:04.000Z	Stop Time:	2012-09-20T23:59:53.000Z
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

MAGLAC122650000_V1

Start Time:	2012-09-21T00:00:03.000Z	Stop Time:	2012-09-21T23:59:54.000Z
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

MAGLAC122660000_V1

Start Time:	2012-09-22T00:00:04.000Z	Stop Time:	2012-09-22T23:59:51.000Z
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

MAGLAC122670000_V1

Start Time:	2012-09-23T00:00:01.000Z	Stop Time:	2012-09-23T23:59:51.000Z
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

MAGLAC122680000_V1

Start Time:	2012-09-24T00:00:01.000Z	Stop Time:	2012-09-24T23:59:50.000Z
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

MAGLAC122690000_V1

Start Time:	2012-09-25T00:00:00.000Z	Stop Time:	2012-09-25T23:59:54.000Z
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

MAGLAC122700000_V1

Start Time:	2012-09-26T00:00:04.000Z	Stop Time:	2012-09-26T23:59:55.000Z
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

MAGLAC122710000_V1

Start Time:	2012-09-27T00:00:05.000Z	Stop Time:	2012-09-27T23:59:54.000Z
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

MAGLAC122720000_V1

Start Time:	2012-09-28T00:00:04.000Z	Stop Time:	2012-09-28T23:59:54.000Z
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

MAGLAC122730000_V1

Start Time:	2012-09-29T00:00:04.000Z	Stop Time:	2012-09-29T23:59:56.000Z
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

MAGLAC122740000_V1

Start Time:	2012-09-30T00:00:06.000Z	Stop Time:	2012-09-30T23:59:55.000Z
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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