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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/ 2012/ 336_366_DEC /

MAGLAC123360000_V1

Start Time:	2012-12-01T00:00:02.000Z	Stop Time:	2012-12-01T23:59:52.000Z
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

MAGLAC123370000_V1

Start Time:	2012-12-02T00:00:02.000Z	Stop Time:	2012-12-02T23:59:57.000Z
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

MAGLAC123380000_V1

Start Time:	2012-12-03T00:00:07.000Z	Stop Time:	2012-12-03T23:59:53.000Z
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

MAGLAC123390000_V1

Start Time:	2012-12-04T00:00:03.000Z	Stop Time:	2012-12-04T23:59:55.000Z
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

MAGLAC123400000_V1

Start Time:	2012-12-05T00:00:05.000Z	Stop Time:	2012-12-05T23:59:54.000Z
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

MAGLAC123410000_V1

Start Time:	2012-12-06T00:00:04.000Z	Stop Time:	2012-12-06T23:59:50.000Z
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

MAGLAC123420000_V1

Start Time:	2012-12-07T00:00:00.000Z	Stop Time:	2012-12-07T23:59:57.000Z
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

MAGLAC123430000_V1

Start Time:	2012-12-08T00:00:07.000Z	Stop Time:	2012-12-08T23:59:51.000Z
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

MAGLAC123440000_V1

Start Time:	2012-12-09T00:00:01.000Z	Stop Time:	2012-12-09T23:59:56.000Z
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

MAGLAC123450000_V1

Start Time:	2012-12-10T00:00:06.000Z	Stop Time:	2012-12-10T23:59:50.000Z
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

MAGLAC123460000_V1

Start Time:	2012-12-11T00:00:00.000Z	Stop Time:	2012-12-11T23:59:52.000Z
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

MAGLAC123470000_V1

Start Time:	2012-12-12T00:00:02.000Z	Stop Time:	2012-12-12T23:59:56.000Z
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

MAGLAC123480000_V1

Start Time:	2012-12-13T00:00:06.000Z	Stop Time:	2012-12-13T23:59:59.000Z
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

MAGLAC123490000_V1

Start Time:	2012-12-14T00:00:09.000Z	Stop Time:	2012-12-14T23:59:51.000Z
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

MAGLAC123500000_V1

Start Time:	2012-12-15T00:00:01.000Z	Stop Time:	2012-12-15T23:59:59.000Z
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

MAGLAC123510000_V1

Start Time:	2012-12-16T00:00:09.000Z	Stop Time:	2012-12-16T23:59:51.000Z
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

MAGLAC123520000_V1

Start Time:	2012-12-17T00:00:01.000Z	Stop Time:	2012-12-17T23:59:52.000Z
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

MAGLAC123530000_V1

Start Time:	2012-12-18T00:00:02.000Z	Stop Time:	2012-12-18T23:59:50.000Z
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

MAGLAC123540000_V1

Start Time:	2012-12-19T00:00:00.000Z	Stop Time:	2012-12-19T23:59:51.000Z
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

MAGLAC123550000_V1

Start Time:	2012-12-20T00:00:01.000Z	Stop Time:	2012-12-20T23:59:51.000Z
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

MAGLAC123560000_V1

Start Time:	2012-12-21T00:00:01.000Z	Stop Time:	2012-12-21T23:59:51.000Z
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

MAGLAC123570000_V1

Start Time:	2012-12-22T00:00:01.000Z	Stop Time:	2012-12-22T23:59:55.000Z
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

MAGLAC123580000_V1

Start Time:	2012-12-23T00:00:05.000Z	Stop Time:	2012-12-23T23:59:56.000Z
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

MAGLAC123590000_V1

Start Time:	2012-12-24T00:00:06.000Z	Stop Time:	2012-12-24T23:59:55.000Z
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

MAGLAC123600000_V1

Start Time:	2012-12-25T00:00:05.000Z	Stop Time:	2012-12-25T23:59:58.000Z
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

MAGLAC123610000_V1

Start Time:	2012-12-26T00:00:08.000Z	Stop Time:	2012-12-26T23:59:59.000Z
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

MAGLAC123620000_V1

Start Time:	2012-12-27T00:00:09.000Z	Stop Time:	2012-12-27T23:59:58.000Z
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

MAGLAC123630000_V1

Start Time:	2012-12-28T00:00:08.000Z	Stop Time:	2012-12-28T23:59:58.000Z
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

MAGLAC123640000_V1

Start Time:	2012-12-29T00:00:08.000Z	Stop Time:	2012-12-29T23:59:57.000Z
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

MAGLAC123650000_V1

Start Time:	2012-12-30T00:00:07.000Z	Stop Time:	2012-12-30T23:59:58.000Z
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

MAGLAC123660000_V1

Start Time:	2012-12-31T00:00:08.000Z	Stop Time:	2012-12-31T23:59:58.000Z
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

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