Helen E. Coffey

Solar-geophysical activity rep

Solar-geophysical activity reports for Stip Interval XV

1987

Collected data reports for STI

Collected data reports for STIP Interval II

1977

Catalog of observation times o

Catalog of observation times of ground-based Skylab-coordinated solar observing programs

1975

Collected data reports on Augu

Collected data reports on August 1972 solar-terrestrial events

1973

Data compilation for the magne

Data compilation for the magnetospherically quiet periods February 19-23 and November 29-December 3, 1970

1973

Data on solar-geophysical acti

Data on solar-geophysical activity associated with the major ground level cosmic ray events of 24 January and 1 September 1971

1972