DFG-1 Magnetic Gradiometer in Action

Site Three
Site Two
Site One

Views of the Site

The top soil had been removed to a depth of 0.3m to 0.5m. Areas had been excavated and Iron Age artifacts found.

DFG-1 results


Traversing the site N/S (A 30m by 20m grid)
Download data for this grid here. file: DFG1_Grid_2.txt


Traversing the site E/W (A 20m by 30m grid)

Variations between magnetic anomalies may be due to stepping around open excavations.

Fast Data Import

A 30m by 30m grid (3600 readings) in one second.

DFG1_Unpack
DFG1_Unpack_10

The DFG-1 Magnetic Gradiometer can save the results in ASCII text format or in a compressed data format that is unpacked with the suppiled DFG-1 Unpack software


++ Start of Grid ++
Grid_No=3
** Read/m X dir=4 Read/m Y dir=1
** Grid X size=20 Grid Y size=20
# Reading, X in m, Y in m, DB in nT
1,0.25,1.00,-17.0778
2,0.50,1.00,-15.1900
3,0.75,1.00,-19.4151
4,1.00,1.00,-19.3819
5,1.25,1.00,-19.4759
6,1.50,1.00,-19.9526
7,1.75,1.00,-14.2973
8,2.00,1.00,-11.6432
9,2.25,1.00,-13.5198
10,2.50,1.00,-15.9461
11,2.75,1.00,-14.7388
12,3.00,1.00,-16.3201
13,3.25,1.00,-13.0737
14,3.50,1.00,-11.2708

You can view and edit your results using a simple text editor, like Microsoft's Notepad.

Download the text data file containing the results for the N/S grid here file: DFG1_Grid_2.txt