The geomagnetic secular variation 1900-1965
Geomagnetic field secular variation /1900 to 1965/
Engineering topics
Publications and source records attributed to Hendricks, S. J..
Geomagnetic field secular variation /1900 to 1965/
Geomagnetic field minimum in southern Brazil, comparing satellites data maps
Geomagnetic field minimum in southern Brazil, comparing satellites data maps
Verification of geomagnetic anomaly in Brazil
Geomagnetic field values obtained from OGO-2 SATELLITE-MOUNTED rubidium vapor magnetometer
Root-mean-square differences between measured magnetic field values obtained by rubidium vapor magnetometer aboard OGO-2 satellite and values derived from spherical harmonic expansions
Tabulation of spherical harmonic coefficients of geomagnetic field data for trapped-particle evaluation
Geomagnetic data reduction program, and World Data Center information interchange
Geomagnetic field determination based on information gathered from 1940 to 1963
New geomagnetic field determination using magnetic survey and observatory annual mean data