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| Fig.1: Electrical resistance measurement with Geoscan RM 15+Multiplexer MPX 15 with Single-Twin-Electrodes, Anne-Sophie Flade-Becker |
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| Fig.1: Monte de Contenda, total field with dynamics -/+ 70 nT, square-mean procedere for correction of external geomagnatic noise, 40m-grid, North upwards |
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| Fig.2: Monte de Contenda highpass filtered with 10x5 pixel matrix; dynamics -/+ 20 nT in 256 greyscale (white/black); 40m-grids, North upwards |
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Fig.3: Monte de Contenda final magnetogram; overlay of highpass-filtered
data (Fig.2) on total field-data from Fig.1 with transparency of 60%;
dynamics -/+ 40 nT in 256 greyscale (with/black); 40m-grids, North
upwards   Anne-Sophie Flade-Becker |
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Fig. 1: Satellite images of Montoito – the site is visible in
soil marks (?) and mainly situated in a former wine-yard (historical images of
Google earth from 22/6/2003).
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Fig.2a: Magnetogram of Montoito
12/2013; line-mean for correction of external geomagnetic noise; spatial data
correction by destaggering and manual corrections; dynamics -+30 nT in 256
greyscale (white / black); 40m-grids; North upwards.
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| Fig.2b: Magnetogram of Montoito 12/2013; highpass filter with 10x5 pixel matrix; dynamics -/+ 20 nT in 256 greyscale (withe/black); 40m-grids |
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| Fig.2c: Montoito 12/2013 final Magnetogram; overlay of highpass-filtered data on total field data from Fig.2a with transparency of 36 %; dynamics -/+ 30 nT in 256 greyscale (withe/black), 40m-grids, North upwards |
 |
|
Fig.3: Reconstruction of the ellipse of
Montoito with Azimuth = 120°on the basis of the historical Google earth image from
22/6/2003.
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| Fig.4: Reconstruction of the ellipse of Montoito and the directions (Azimuth) of several sight lines on the base of the final magnetogram from Fig.2c |
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| Fig.1: Magnetoscanner for 4-track measurements with 2 Geometrics G-858 G, Helmut Becker&Anne-Sophie Flade-Becker |
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| Fig.2: Cs-Magnetogram of Hopferstadt (western part); line-mean for correction of external geomagnatic noise; dynamics -/+ 20 nT in 256 greyscale (white/black); 40m-grids; North upwards |
 |
| Cs-Magnetoscanner for 4-track measurements with 2 Geometrics G-858 G, Helmut Becker&Anne-Sophie Flade-Becker |
