SOHO/VIRGO source notes

Primary file URL:
http://www.ias.u-psud.fr/virgo/junk/virgo_tsi_d_v1_2.dat

Local raw file:
tsi_raw/soho_virgo/raw/virgo_tsi_d_v1_2.dat

Header notes in file:
- Daily TSI values at noon date stamps
- Columns: date (YYYYMMDD), VIRGO, DIARAD, PMO6-V
- Missing sentinel values appear as -99.000

Downloaded by:
curl -L http://www.ias.u-psud.fr/virgo/junk/virgo_tsi_d_v1_2.dat