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| urn | aircraft:bt-67:magneticsgsm19 |
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| contenttype | Summary |
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Magnetic measurements can reveal the strength and direction of the geomagnetic field. One or two Cesium magnetometers are mounted in a combination of nose and/or tail booms. In addition, a Fluxgate Magnetometer for attitude compensation is installed. The sensor system and real-time compensation are controlled by an external unit (AADC II) mounted in a rack. Magnetic base stations with Overhauser magnetometers are used for ground reference of the airborne measurements. aircraft:bt-67:magnetics gsm19 (6815) |
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| urn | aircraft:bt-67:magneticsgsm19 |
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| contenttype | Metadata |
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| Manufacturer | RMS Instruments, Scintrex Ltd., RMS Instruments |
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| Model | see subdevices |
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| Serial No. | n/a |
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| Type | magnetometer |
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Contacts
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| urn | aircraft:bt-67:magneticsgsm19 |
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| contenttype | Contacts |
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| Name | Institution | Role |
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| Graeme Eagles | Alfred-Wegener Institute of Polar and Marine Research | Device Contact |
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| urn | aircraft:bt-67:magneticsgsm19 |
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| contenttype | Subdevices |
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| Name | Model | Serial Number |
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| Automatic Aeromagnetic Digital Compensator | AADCII | 9903860 | | Cesium Magnetometer | CS-3 | 9511042 | | Cesium Magnetometer | CS-3 | 9503008 | | Cesium Magnetometer | CS-3 | 9810135 | | Cesium Magnetometer | CS-3 | 9808131 | | Cesium Magnetometer | CS-3 | 1203404 | | Fluxgate Magnetometer | TFM100G1E | 110 | | Fluxgate Magnetometer | TFM100G1E | 999 | | Overhauser Magnetometer GSM-19 | GSM-19 | 52498 | | Overhauser Magnetometer GSM-19 | GSM-19 | 62673 | |
Specifications of RMS Compensator AADC II (without mounting)
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|| Dimension Compensator (L x W x H)| 483 x 440 x 178 mm ||
|| Weight | 12.5 kg||
|| Power Supply| 28 VDC ||
|| Data interface | serial interface (RS-232)|| |
Specifications of CS-3 Scintrex Cesium Magnetometers (without mounting)
The CS-3 magnetometers are installed at the tips of the noseboom and the tailboom. Length of the noseboom from the tip of the aircraft is about 3.3 m.
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|| Dimension Sensor Head (Diameter x L)| 63 x 160 mm ||
|| Weight | 1.15 kg||
|| Dimension Sensor Electronics (Diameter x L) | 63 x 350 mm ||
|| Weight | 1.5 kg ||
|| Power Supply| 24 - 35 VDC || |
Specifications of Billingsley Fluxgate Magnetometer (without mounting)
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| || Dimension Fluxgate (L x W x H) | 83 x 35 x 32 mm ||
|| Weight | 0.1 kg ||
|| Power Supply | 15 - 34 VDC ||
|| Data interface | serial interface (RS-232)||
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Specifications of GEM Overhauser Magnetometer
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| urn | aircraft:bt-67:magneticsgsm19 |
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| contenttype | LocalFrame |
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Info | CS-3 Cesium Magnetometers are mounted in a tail and a nose boom respectively. Additionally, a fluxgate magnetometer is mounted close to the aileron. Electronics are stored in a rack. |
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| urn | aircraft:bt-67:magneticsgsm19 |
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| contenttype | Parameters |
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| Parameter | Sensor Output Type | Unit |
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| magnetic field compensated | magnetic field | nT | | magnetic field raw | magnetic field | nT | | magnetic field uncompensated | magnetic field | nT | | magnetic field total | magnetic field | nT | | magnetic field x-component | magnetic field | nT | | magnetic field y-component | magnetic field | nT | | magnetic field z-component | magnetic field | nT |
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Rawdata storage on
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land
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DuringOverhauser flight magnetometer data are storedrecorded withinfor the aircraft onboard DMS system. Magnetic base stations record data several days independantly and continously. |
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| Metadata (Metadata Plugin) |
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After the flight CS-3 and Fluxgate magnetometer data are accessible via the land system of the aircraft data managment system (DMS). Base station data of the GEM Overhauser magnetometers are downloaded frequently and are made accessible via the external devices file system of the aircraft data managment system (DMS). |
DMS
| Metadata list |
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|| Module name| B707 Magnetic||
|| Device name | Magnetic||
|| Parameters | 4DIF(F) front \[nT\]; 4DIF(R) rear \[nT\]; Compensated grad 1 \[nT\]; Compensated mag front \[nT\]; Compensated mag rear \[nT\]; Error code; ErrorText; Magnetic ASCII; Mode code; Scan Number \[0.1 s\]; Status; Total field (Fluxgate) \[nT\]; Uncompensated grad 1 \[nT\]; Uncompensated mag front \[nT\]; Uncompensated mag rear \[nT\]; X-component (Fluxgate) \[nT\]; Y-component (Fluxgate) \[nT\]; Z-component (Fluxgate) \[nT\] ||
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Documentation
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| urn | aircraft:bt-67:magneticsgsm19 |
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| contenttype | Resources |
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