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Equipping of Eilat observatory by DIDD magnetometer.

B. Ginzburg, Nuclear Research Center SOREQ, 81800, Yavne, Israel B. Shirman, Survey of Israel , 1 Lincoln St., 65220, Tel Aviv, Israel. Equipping of Eilat observatory by DIDD magnetometer. Installation features and preliminary results. In memory of Mr. Aviel Ron, 55

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Equipping of Eilat observatory by DIDD magnetometer.

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  1. B. Ginzburg, Nuclear Research Center SOREQ, 81800, Yavne, Israel B. Shirman, Survey of Israel , 1 Lincoln St., 65220, Tel Aviv, Israel Equipping of Eilat observatory by DIDD magnetometer. Installation features and preliminary results.

  2. In memory of Mr. Aviel Ron, 55 Director of the Survey of Israel, perished 31.03.02 in the terrorist act in Haifa together with his daughter, 25 and son, 21

  3. Eilat magnetic observatory (  = 29 40’ ;  = 3457’). Magnetic field produced by DIDD at 3 meters from the instrument was measured to be approx up to 2 nT.

  4. U3 U9 U4 0.8 m height U8 U2 U5 U9 U8 U7 U6 U1 0.5 m height U7 L9 U1 U6 U7 L8 L7 L1 L7 L6 To the entrance of the tunnel 30 cm 30 cm The tunnel is dug into the basement rocks of Precambrian Amram Granite Porphyry type. Paleomagnetic measurements of rock samples were performed by Dr. Igor Tunyi and his colleagues from Slovakia Geophysical Institute: Magnetization is hard and stable Carrier of magnetization is hematite and probably ilmenite Main value of remanent polarization J = 2.9 nT, Main value of magnetic susceptibility K = 67.9.10-6 uSI, Gradient components at the installation point were estimated as follows: L < 5 nT/m – horizontal, along the tunnel direction; T < 8 nT/m – horizontal, transverse to the tunnel direction; V < 5 nT/m – vertical

  5. 700 mm 700 mm 700 mm 140 mm

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