Labels:text | screenshot | diagram | font | line OCR: 10.7cm Solar Radio Flux, April 1, 1992 400 LLLLL 350 Special thanks go to Ken Tapping and James Dean of the Dominion Radio Astrophysical Observatory, a division of the National Research 300 Council of Canada for providing the data used in this plot. 250 Solar Flux Units 200 150 100 15:00 16:00 17:00 18:00 19:00 20:00 21:00 22:00 23:00 00:00 01:00 Time (UT)