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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/ 2008/ 214_244_AUG /

MAGLAC082140001_V1

Start Time:	2008-08-01T00:01:11.000Z	Stop Time:	2008-08-01T23:59:36.000Z
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

MAGLAC082150001_V1

Start Time:	2008-08-02T00:01:16.000Z	Stop Time:	2008-08-02T23:59:40.000Z
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

MAGLAC082160001_V1

Start Time:	2008-08-03T00:01:20.000Z	Stop Time:	2008-08-03T23:59:45.000Z
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

MAGLAC082170001_V1

Start Time:	2008-08-04T00:01:25.000Z	Stop Time:	2008-08-04T23:59:49.000Z
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

MAGLAC082180001_V1

Start Time:	2008-08-05T00:01:29.000Z	Stop Time:	2008-08-05T23:59:53.000Z
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

MAGLAC082190001_V1

Start Time:	2008-08-06T00:01:33.000Z	Stop Time:	2008-08-06T23:59:58.000Z
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

MAGLAC082200001_V1

Start Time:	2008-08-07T00:01:38.000Z	Stop Time:	2008-08-07T23:58:22.000Z
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

MAGLAC082210000_V1

Start Time:	2008-08-08T00:00:02.000Z	Stop Time:	2008-08-08T23:58:27.000Z
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

MAGLAC082220000_V1

Start Time:	2008-08-09T00:00:07.000Z	Stop Time:	2008-08-09T23:58:30.000Z
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

MAGLAC082230000_V1

Start Time:	2008-08-10T00:00:10.000Z	Stop Time:	2008-08-10T23:58:35.000Z
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

MAGLAC082240000_V1

Start Time:	2008-08-11T00:00:15.000Z	Stop Time:	2008-08-11T23:58:38.000Z
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

MAGLAC082250000_V1

Start Time:	2008-08-12T00:00:18.000Z	Stop Time:	2008-08-12T23:58:43.000Z
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

MAGLAC082260000_V1

Start Time:	2008-08-13T00:00:23.000Z	Stop Time:	2008-08-13T23:58:48.000Z
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

MAGLAC082270000_V1

Start Time:	2008-08-14T00:00:28.000Z	Stop Time:	2008-08-14T23:58:51.000Z
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

MAGLAC082280000_V1

Start Time:	2008-08-15T00:00:31.000Z	Stop Time:	2008-08-15T23:58:56.000Z
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

MAGLAC082290000_V1

Start Time:	2008-08-16T00:00:36.000Z	Stop Time:	2008-08-16T23:59:00.000Z
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

MAGLAC082300000_V1

Start Time:	2008-08-17T00:00:40.000Z	Stop Time:	2008-08-17T23:59:04.000Z
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

MAGLAC082310000_V1

Start Time:	2008-08-18T00:00:44.000Z	Stop Time:	2008-08-18T23:59:09.000Z
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

MAGLAC082320000_V1

Start Time:	2008-08-19T00:00:49.000Z	Stop Time:	2008-08-19T23:59:12.000Z
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

MAGLAC082330000_V1

Start Time:	2008-08-20T00:00:52.000Z	Stop Time:	2008-08-20T23:59:17.000Z
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

MAGLAC082340000_V2

Start Time:	2008-08-21T00:00:57.000Z	Stop Time:	2008-08-21T23:58:22.000Z
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

MAGLAC082350000_V1

Start Time:	2008-08-22T00:00:02.000Z	Stop Time:	2008-08-22T23:58:27.000Z
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

MAGLAC082360000_V1

Start Time:	2008-08-23T00:00:07.000Z	Stop Time:	2008-08-23T23:58:31.000Z
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

MAGLAC082370000_V1

Start Time:	2008-08-24T00:00:11.000Z	Stop Time:	2008-08-24T23:58:35.000Z
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

MAGLAC082380000_V1

Start Time:	2008-08-25T00:00:15.000Z	Stop Time:	2008-08-25T23:58:39.000Z
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

MAGLAC082390000_V1

Start Time:	2008-08-26T00:00:19.000Z	Stop Time:	2008-08-26T23:58:44.000Z
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

MAGLAC082400000_V2

Start Time:	2008-08-27T00:00:24.000Z	Stop Time:	2008-08-27T23:58:55.000Z
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

MAGLAC082410000_V2

Start Time:	2008-08-28T00:00:35.000Z	Stop Time:	2008-08-28T23:58:42.000Z
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

MAGLAC082420000_V1

Start Time:	2008-08-29T00:00:22.000Z	Stop Time:	2008-08-29T23:58:46.000Z
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

MAGLAC082430000_V1

Start Time:	2008-08-30T00:00:26.000Z	Stop Time:	2008-08-30T23:58:50.000Z
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

MAGLAC082440000_V1

Start Time:	2008-08-31T00:00:30.000Z	Stop Time:	2008-08-31T23:58:54.000Z
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

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