Absolute measurement ofD by means of a proton magnetometer E. Kring Lauridsen OriginalPaper Pages: 223 - 232
Portable magnetometer theodolite with fluxgate sensor for earth's magnetic field component measurements J. BitterlyJ. M. CantinD. Gilbert OriginalPaper Pages: 233 - 239
Acquisition and primary processing of geomagnetic pulsations in real time operation by microcomputer H-J LintheD. Lenners OriginalPaper Pages: 241 - 247
The recording of Pc1 geomagnetic pulsations using a microcomputer preprocessing system B. J. FraserP. W. McNabb OriginalPaper Pages: 249 - 258
Geomagnetic absolute measurements with a nuclear resonance theodolite at the Adolf Schmidt Observatory in Niemegk V. Auster BriefCommunication Pages: 269 - 270
Aeromagnetic surveys in the seas around Japan in 1980 S. UtashiroS. OshimaT. Kaneko OriginalPaper Pages: 271 - 290
An automatic audio-magnetotelluric equipment, controlled by microprocessor, for the telesurvellance of the volcano Momotombo (Nicaragua) G. ClercJ-P. DécriaudX-C. Zhang OriginalPaper Pages: 291 - 304
An intelligent digital magnetic recording system (DIMARS) L. HegymegiL. Drimusz OriginalPaper Pages: 317 - 321
On the reduction of time variations for geomagnetic repeat station measurements Günter SchulzMartin Beblo OriginalPaper Pages: 323 - 332
One year experience with the CMVS 2 magnetic variation station J. PodsklanI. Kovac OriginalPaper Pages: 335 - 338
Automatic digital recording of geomagnetic elements by means of a proton precession magnetometer A. MeloniF. MolinaAnna De Santis OriginalPaper Pages: 339 - 350
Comparison of standard and digital observation at the Geomagnetic Adolf Schmidt Observatory Niemegk V. AusterK. Lengning OriginalPaper Pages: 351 - 355
Improved Kakioka automatic standard magnetometer (KASMMER) M. KuwashimaY. Sano OriginalPaper Pages: 357 - 365
Long-term stability of a torque-balance variometer with photoelectric converters in observatory practice J. JankowskiJ. MarianiukM. Kivinen OriginalPaper Pages: 367 - 380
Experience of geomagnetic field recording with a fluxgate magnetometer having a bridge sensor Torsten Bergmark OriginalPaper Pages: 381 - 391
The digital recording system operated at the U.K. magnetic observatories A. J. ForbesJ. C. Riddick OriginalPaper Pages: 393 - 405
Geomagnetic measurements made on the moving ICE shelf at Halley, Antarctica D. A. SimmonsJ. R. Rouse OriginalPaper Pages: 407 - 417
Proposed major format change to geomagnetic activity reports and forecasts produced by the SESC, Boulder, Colorado, U.S.A. J. A. Joselyn OriginalPaper Pages: 419 - 424
Derivation ofK-indices using magnetograms constructed from digital data E. R. NiblettE. I. LoomerG. Jansen Van Beek OriginalPaper Pages: 431 - 437
The generation ofK indices from digitally recorded magnetic data J. C. RiddickW. F. Stuart OriginalPaper Pages: 439 - 456