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Note |
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Magnetic compensation flight procedures are required after each new installation of the magnetic sensors. |
Summary
Sensorweb integration |
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urn | aircraft:bt-67:magnetics |
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contenttype | Summary |
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Magnetic measurements provide can reveal the strength and direction of the geomagnetic field. Therefore, 2 Cesium Magnetometers One or two Cesium magnetometers are mounted in a Nose and a Tail Boom to the aircraftcombination of nose and/or tail booms. In addition, a Fluxgate Magnetometer for attitude compensation is installed. The sensor system is 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. Sensor-Info: aircraft:bt-67:magnetics, 6815 |
Sensorweb integration |
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urn | aircraft:bt-67:magnetics |
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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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REGISTRY-Link | ↪ REGISTRY (6815) |
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Sensorweb integration |
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urn | aircraft:bt-67:magnetics |
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contenttype | Images |
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Contacts
Sensorweb integration |
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urn | aircraft:bt-67:magnetics |
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contenttype | Contacts |
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Name | Institution | Role |
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Graeme Eagles | Alfred - Wegener Institute of , Helmholtz Centre for Polar and Marine Research | Device Contact |
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Available devices and Specifications
Sensorweb integration |
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urn | aircraft:bt-67:magnetics |
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contenttype | Subdevices |
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Specifications of RMS Compensator AADC II (without mounting)
Metadata list |
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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)|| |
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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.
Metadata list |
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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 || |
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Specifications of Billingsley Fluxgate Magnetometer (without mounting
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Metadata list |
|| Dimension Sensor (Diameter x L) | 75 x 175 mm ||
|| Weight Sensor | 1.0 kg ||
|| Dimension Console (L x W x H) | 223 x 240 x 69 mm ||
|| Weight Sensor | 2.1 kg ||
|| Data interface | serial interface (RS-232)|| |
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Position
Sensorweb integration |
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urn | aircraft:bt-67:magnetics |
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contenttype | LocalFrame |
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Origin Description: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. | X | 0.0 none (no description given) | Y | 0.0 none (no description given) | Z | 0.0 none (no description given) |
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Data logging, storage and archiving
Logged parameter
Sensorweb integration |
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urn | aircraft:bt-67:magnetics |
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contenttype | Parameters |
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Parameter | Sensor O2ARegistry 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 board
Metadata (Metadata Plugin) |
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During flight magnetometer data are stored within the aircraft onboard DMS system. Magnetic base stations record data independantly and continously. |
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Data archiving on land
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 (
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DMS
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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
Sensorweb integration |
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urn | aircraft:bt-67:magnetics |
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contenttype | Resources |
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