Solar X-ray flux years

Every year of X-ray flux in the TerraPulse dex: a count and the first 50, measured, with the source and licence of every number.

5 years of X-ray flux.

The first in the file
whenname
OSO 3 ion chamber 0.5-8 A solar X-ray flux 1967
OGO 5 Berkeley solar X-ray count rates, 8 channels 9.6->128 keV, 1968
OSO 3 ion chamber 0.5-8 A solar X-ray flux 1968
OGO 5 Berkeley solar X-ray count rates, 8 channels 9.6->128 keV, 1969
GOES X-ray flux 2026

Measured by goes_xray, spdf_oso3_xuv, spdf_ogo5_berkeley_xr. US federal work - public domain by statute (17 U.S.C. 105); the OSO 3 ion-chamber years and the OGO 5 Berkeley X-ray years are NASA SPDF restorations of experimenters' tapes (SPDF Rules of the Road, measured facts). Lake of 2026-11-07.