Terms: Geomagnetic Fluctuations (542), geomagnetic variations (2,270), geomagnetic variation (528), geomagnetic activity (97,000), geomagnetic fluctuation (57), geomagnetic secular (1,160), secular geomagnetic (43), geomagnetic disturbance (6,480), geomagnetic disturbances (12,800), geomagnetically active (343),
Terms: geomagnetism (188,000), geomagnetic (776,000), geomagnetically (12,800), geodynamo (24,900), geomagnetic data (29,500),
USGS National Geomagnetism Program
Terms: geomagnetic models (338), geomagnetic field (264,000), magnetic field maps (912), world magnetic model (539), international geomagnetic reference field (2,140),
Terms: magnetic variation (164,000), magnetic variations (9,050), magnetic survey (63,100), magnetic declination (64,600), magnetic deviation (8,530), isogonic lines (529), agonic lines (172),
Geomagnetic Field Models at NGDC
DOD World Magnetic Model - WMM 2005, Fortran Download
Terms: VLF radio (12,500), ULF radio (153), weather (714,000,000), lightning strokes (22,000), infrasound (212,000),
Terms: solar daily variation (95), disturbance daily variation (44), storm-time variation (70),
Terms: geomagnetic observatories (1,220), geomagnetic observatory (2,020),
Geomagnetic Observation using the Magnetometer Network (210 Magnetic Data) - One Minute Data - RIK 2006 - KTB 2006 -
Space and Earth Electromagnetism Laboratory
Terms: micropulsations (1,170), magnetic micropulsations (87), magnetic pulsations (2,860),
Terms: geomagnetic field (264,000), earth's magnetic field (563,000),
Terms: magnetic storm (77,000), geomagnetic storms (92,700), magnetic storms (116,000), geomagnetic storm (81,000), solar storm (144,000), solar storms (165,000),
Terms: sferic (2,220), sferics (71,200), electromagnetic signature (2,590), electromagnetic signature (2,590), atmospheric electricity (50,700), atmospheric electromagnetism (61), atmospheric electrodynamics (563), elf lightning (80), thunderstorm electricity (338),
Terms: lightning (68,300,000), lightning location (3,080), lightning locator (186), locating lightning (196), lightning detection (85,400), GHCC Lightning Team (121), lightning data (245,000), national lightning detection network (3,740), long range lightning network (27), lightning detection network (11,400),
Terms: Tracking hurricanes (24,900), tracking tornadoes (1,250),
Terms: infrasonic signature (82), infrasonic signatures (67),
Boolean: tornado AND electrical (806,000), tornado AND electromagnetic (358,000),
Boolean: geomagnetic AND spectrogram (1,240), forecasting AND magnetospheric (10,200), hurricanes AND magnetic (608,000), tornadoes AND magnetic (112,000), hurricane AND magnetic (756,000), tornado AND magnetic (546,000), hurricane AND "magnetic activity" (694), tornado AND "magnetic activity" (205),
Terms: magnetometer (494,000), magnetometer network (930), magnetometer networks (158), magnetometers (210,000), magnetic variometer (111), magnetic variometers (103),
Terms: fluxmeter (2,800), fluxmeters (1,370), fluxmeter measurements (34),
Terms: magnetosphere (903,000), magnetopause (83,000), magnetospheric (294,000), ionosphere (810,000), ionospheric (566,000),
Bob Weigel's Home Page - ViRBO - The Virtual Radiation Belt Observatory
Terms: Sun-Solar System Connection studies (4),
Terms: gravimeter (40,600), gravimeters (12,900), gravity meter (15,500), gravity meters (2,390), gravimetry (61,100),
Terms: static gravimeters (50), relative gravimeters (210), absolute gravimeters (718), tidal gravimeters (34),
Terms: gravity variations (2,670), calibration of gravimeters (59), zero length springs (88), zero length spring (315), spring gravimeters (109), capacitive gravimeter (3), superconducting gravimeter (1,060), magnetic gravimeter (17),
Terms: gravity variations (2,670),
Boolean: capacitive AND gravimeter (117), levitation AND gravimeter (105), gravimeter AND suspension (281),
IAG Earth Tide Commission Working Group 4 - Calibration of Gravimeters