PICARD PREMOS TSI manifest

Dataset title: PREMOS N2A TSI FITS granules
Platform: PICARD
Instrument: PREMOS
Collection endpoint: http://idoc-picard.ias.u-psud.fr/premosn2a/records?media=json
Download root: http://idoc-picard.ias.u-psud.fr/sitools/datastorage/user/storagefits/products/premos/n2/tsi/

Method note:
- Parse Time, TSI_A/Q_A, TSI_B/Q_B from each FITS binary table.
- Convert Time using epoch 2000-01-01 UTC and aggregate to daily means.
- Prefer channel A where Q_A=0, otherwise channel B where Q_B=0, with finite-value fallback.

Records discovered (TSI): 0
Files downloaded this run: 0
Files already present this run: 0
Raw files parsed: 1270
Rows plotted: 1190
Date span plotted: 2010-09-22 to 2014-03-04
TSI range plotted: 1352.5883 to 1367.8645 W m^-2