Stations, Instruments, and Acknowledgements


                   

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   GEOGRAPHIC AND GEOMAGNETIC COORDINATES
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calculation: dipole geomagnetic coordinates (IGRF, epoch:2000 to 2017) 
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      glat   glon    mlat   mlon  inclination  declination  collaborators
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IST   70.03 88.01    60.6   166.6      83.79      19.30  ISTP
HUS   64.67 338.97   64.9    66.2      75.78     -14.34  NIPR/U.Iceland
GAK   62.39 214.78   63.6   268.51     75.80      18.31  NICT, GI-UAF, UNH 
MGD   60.05 150.73   51.9   213.2      71.56     -11.02  IKIR
NAI   56.5  298.3    65.8   14.8       75.36     -22.92  NICT, Augsburg College
ATH   54.7  246.7    61.7   306.2      76.57      17.4   U.Athabasca/U.Calgary (AUGO-I, before 161024)
ATH   54.60 246.36   61.1   307.8      76.00      15.1   U.Athabsca (AUGSO, after 161025)
ZGN   66.78 123.37   57.23 191.64      80.7      -15.6   IKFIA 
PTK   52.97 158.248  45.8   221.4      64.6       -6.5   IKIR
KAP   49.39 277.81   58.7   347.6      74.17     -10.19  NICT, Virginia Tech.
MSR   44.37 142.27   35.6   209.5      58.58      -9.5   ISEE Observatory (MOS)
RIK   43.5  143.8    34.7   210.8      57.8       -9.1   ISEE Observatory 
KAG   31.48 130.72   21.9   200.6      45.1       -6.1   ISEE Observatory
STA   31.02 130.68   21.2   200.5      44.8       -5.8   Kagoshima University 
KTB  -0.20  100.32  -10.63  171.93    -20.10      -0.6   RISH(Kyoto U.)/LAPAN
MDM  -45.60 170.09  -52.81  255.55    -70.9       24.8   Osaka Electro-Communication University
TEW  -41.18 175.83  -47.11  259.50    -66.5       22.4   Osaka Electro-Communication University
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Calibration Data (sensitivity and phase) of Induction Magnetometers (induction_cal_data_all.txt) 

------ Current Configuration ----------- * Sensitivities and turnover frequencies are those for the H-component sensors. D- and Z-component sensors have basically the same specifications to those of the H-component sensors. Istok (IST or ITK), Russia : 70.03N, 88.01E Induction Magnetometer of ISTP (January 2017-) LEMI-30 magnetometer, 2-components (H and D), 64Hz sampling Husafell (HUS), Iceland : 64.67N, 338.97E Induction Magnetometer of NIPR (March 20, 2017-) NIPR magnetometer 64Hz sampling triggered by PC clock signal, only H and D components Gakona (GAK), Alaska : 62.39N, 214.78E Induction Magnetometer (March 3, 2017-): NICT magnetometer: amp002+ sensor 0808(H)+0809(D) 64Hz sampling triggered by PC clock signal, only H and D components turnover frequency: 2.0 Hz senstivity: 0.60V/nT at 2.0 Hz 0.28V/nT at 0.2Hz polarity: positive=northward, eastward Kapuskasing (KAP), Canada : 49.39N, 277.81E Induction Magnetometer (December 14, 2016-): NICT magnetometer: amp001+sensor 0805(H)+0806(D) 64Hz sampling triggered by PC clock signal, only H and D components turnover frequency: 2.0 Hz senstivity: 0.59V/nT at 2.0 Hz 0.31V/nT at 0.2Hz polarity: positive=northward, eastward Athabasca (ATH), Canada : 54.7N, 246.7E Induction Magnetometer (Sept.7, 2005-): 64Hz sampling triggered by PC clock signal turnover frequency: 5.5 Hz senstivity: 0.455V/nT at 5.5 Hz 0.00810V/nT at 0.1Hz polarity: positive=northward, eastward, upward This magnetometer is moved from AUGO-I to AUGSO on Oct.25, 2016 After Oct. 25, 2016 : 54.60N, 246.36E, Z-component is replaced by the riometer 64Hz sampling triggered by PC clock signal turnover frequency: 5.5 Hz senstivity: 0.455V/nT at 5.5 Hz 0.00810V/nT at 0.1Hz polarity: positive=northward, eastward Zhigansk (ZGN), Russia : 66.78N, 123.37E Induction Magnetometer (September 14, 2016-) 64Hz sampling triggered by GPS clock signal turnover frequency: 1.4 Hz sensitivity: 0.380 V/nT at 1.4 Hz 0.0238 V/nT at 0.1 Hz polarity: positive=northward, eastward, downward Magadan (MGD), Russia : 60.0513467N, 150.7292683E Induction Magnetometer (November 5, 2008-) 64Hz sampling triggered by GPS clock signal turnover frequency: 1.4 Hz sensitivity: 0.450 V/nT at 1.7 Hz 0.0218 V/nT at 0.1 Hz polarity: positive=northward, eastward, downward Paratunka (PTK), Russia : 52.9720466N, 158.24762E Induction Magnetometer (Aug.21, 2007-) 64Hz sampling triggered by GPS clock signal turnover frequency: 1.8 Hz sensitivity: 0.450 V/nT at 1.8 Hz 0.0199 V/nT at 0.1 Hz polarity: positive=northward, eastward, downward Moshiri (MSR or MOS), Japan : 44.37N, 142.27E Fluxgate Magnetometer (May 24, 1990-) 1 Hz sampling available on the 210MM database Induction Magnetometer (July 14, 2007-) 64Hz sampling triggered by GPS clock signal turnover frequency: 2.2 Hz (before Sept.10, 2007) 2.3-2.9Hz (after Sept.11, 2007) sensitivity: 12.7 V/nT at 2.2 Hz before Sept.10, 2007 1.29 V/nT at 0.1 Hz before Sept.10, 2007 13.2 V/nT at 2.3-2.9 Hz after Sept.11, 2007 1.27 V/nT at 0.1 Hz after Sept.11, 2007 polarity: positive=southward, westward, upward Rikubetsu (RIK) : 43.5N, 143.8E Fluxgate Magnetometer (October 6, 1997-) 1 Hz sampling available on the 210MM database Kagoshima (KAG) : 31.48N, 130.72E Fluxgate Magnetometer (July 21, 1990-) 1 Hz sampling available on the 210MM database Sata (STA) : 31.0N, 130.7E Induction Magnetometer (September 5, 2007-) (Jun.18-Sept.4, 2007 at KAG) 64Hz sampling triggered by GPS clock signal September 5, 2007 - February 26, 2008 turnover frequency: 1.9 Hz sensitivity: 0.291 V/nT at 1.9 Hz 0.0114 V/nT at 0.1 Hz February 27, 2008 - turnover frequency: 2.5-2.6 Hz sensitivity: 0.314 V/nT (at 2.5-2.6 Hz) 0.0142 V/nT (at 0.1 Hz) polarity: positive=northward, eastward, downward Kototabang (KTB) : 0.2S, 100.3E Fluxgate Magnetometer (January 20, 2003-) 1 Hz sampling available on the 210MM database Middlemarch (MDM) : 45.60S, 170.09 E Fluxgate Magnetometer (March 19, 2011-) 1 Hz sampling Te Wharau (TEW) : 41.18S, 175.83 E Fluxgate Magnetometer (April 2, 2012-) 1 Hz sampling *********************************************** Some Notes: * At PTK, the induction magnetometer sensors were buried under the ground on November 21, 2007. Before that, the sensors were left on the ground for test observations. * After December 1, 2007, the D-component at Sata is disconnected. * H and D components of the fluxgate magnetometer at KAG (Kagoshima) are short-circuited in the cable before the data recorder for September 8, 2007 - January 28, 2009. Please do not use the fluxgate magnetometer data at this interval. * On Jan.21-Feb.18, 2009, and Mar.28-Apr.17, 2009, a radio tramsmitter worked at Magadan at 4-28 MHz and the induction magnetometer data becomes highly noisy. * After Oct. 25, 2016, ATH magnetometer was moved from AUGO-I to AUGSO at 54.60N, 246.36E, and Z-component sensor was removed and replaced by the riometer *********************************************** Acknowledgements: The ISEE magnetometers have been developed and operated with skillful supports by Toshirou Kotoh, Mitsugi Satoh, Yasuo Katoh, Yoshiyuki Hamaguchi, and Yuka Yamamoto, all are technical staff of the Solar-Terrestrial Environment Laboratory (STEL) and Institute for Space-Earth Environmnetal Research (ISEE), Nagoya University. The magnetometers used at Moshiri, Kagoshima, and Sata were initially introduced to STEL by Professor Kiyohumi Yumoto, currently at the Space Environment Research Center (SERC), Kyushu University. The installation of magnetometers at Magadan and Paratunka has also been carried out in collaboration with SERC. The magnetometer at Athabasca Canada, has been operated in collaboration with the Athabasca University. We thank Professor Martin Connors, Dr. Ian Shelton, and Dr. Ian Schofield, for their kind and helpful supports. The magnetometer at Magadan and Paratunka, Russia, has been operated in collaboration with the Institute of Cosmophysical Research and Radiowave Propagation (IKIR), Far Eastern Branch of the Russian Academy of Sciences. We thank Professor B. Shevtsov, the director of IKIR, and all the staff of IKIR for their kind and helpful supports. The magnetometers at Moshiri, Rikubetsu, Kagoshima, and Sata have been operated in the ISEE observatory. We thank M. Sera, Y. Ikegami (Moshiri), K. Hanano and N. Yokozeki (Rikubetsu), late K. Hidaka (Kagoshima and Sata), all are the technical staff of STEL/ISEE for their kind and skillful support at these sites. The magnetometer at Kototabang, Indonesia, has been operated in collaboration of the Research Institute for Sustainable Humanosphere (RISH), Kyoto University, and the National Institute of Aeronautics and Space (LAPAN), Indonesia. We thank all the local staff of the Kototabang site for continuous operation of the magnetometer. The magnetometer at Middlemarch and Te Wharau, New Zealand, has been operated in collaboration with Osaka Electro-Communication University. We thank Dr. Yuki Obana for her kind and helpful supports. The magnetometer at Husafell, Iceland belongs to the National Institute of Polar Research (NIPR), Japan, and is operated in collaboration with NIPR and University of Iceland. This observation and database construction have been supported by: (a) Grant-in-Aid for Scientific Research (13573006, 18403011, 19403010) and on Priority Area (764), and by the 21th Century COE Program (Dynamics of the Sun-Earth-Life Interactive System, No. G-4) of the Ministry of Education, Culture, Sports, Science and Technology of Japan, (b) International CAWSES project, and (c) Geospace Research Center of STEL. (d) IUGONET Project


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