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Use of daily CALMON data

Use of daily CALMON data. Brian Stewart RAL. Topics. Work in progress, based on Engineering Report data Scan averages generated by daily routine processing Raw telemetry data. ER data. Integrating Sphere 25 th -27 th Dec 2004 Daily average SW signal over 282 samples – BB

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Use of daily CALMON data

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  1. Use of daily CALMON data Brian Stewart RAL CALMON data

  2. Topics • Work in progress, based on • Engineering Report data • Scan averages generated by daily routine processing • Raw telemetry data CALMON data

  3. ER data • Integrating Sphere • 25th-27th Dec 2004 • Daily average SW signal over 282 samples – BB • Average over ALL pixels • Averages per pixel • Peak at approx 6pm each day, pattern repeats from day to day CALMON data

  4. CALMON all pixels • Integrating Sphere • Daily peak of average SW signal over 282 samples and all pixels • Gaps – Sun avoidance seasons • Geometry appears to repeat from year to year • Overall ~3% change 2003 – 2004 CALMON data

  5. CALMON data by pixel June 21st 2003 • Integrating Sphere • Daily peak average SW signal over 282 samples for individual pixels • Relative pixel signals appears to repeat from year to year • Overall shape repeats from year to year June 21st 2004 CALMON data

  6. CALMON ratio • Integrating Sphere • Ratio of daily peak average SW signal over 282 samples for individual pixels • 2003 peak/2004 peak CALMON data

  7. Pixel data • Pixel 128 (2003) • CALMON –BB data • Time ordered (SW, total) as in ER • Sorted by Sun angle CALMON data

  8. Pixel data (2) • Pixel 128 • SW-BB • median in 1° intervals CALMON data

  9. Pixel data(3) • Pixel 128 • peak and baseline well defined CALMON data

  10. All pixels • Feb 28th 2003, 2004, 2005 • Same patterns 2003/02/28 2004/02/28 2005/02/28 CALMON data

  11. All pixels(2) • Pixel peaks • 28/02/03 • 28/02/04 • 28/02/05 CALMON data

  12. Response ratios • ~5% 2003-2004 • ~1% 2004-2005 • pixel/ pixel ~constant • differences • Pixels 0-128 • Pixel 28 • More work • ER or raw data • Photo-diode CALMON data

  13. Photodiode data CALMON data

  14. Photodiode data(2) • Diodes A,B,C • 1 msec response • CALMON response • Direct solar signal • 24° integration • Problems CALMON data

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