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Ulysses HISCALE Data Analysis Handbook

 

 

4.16 Calibration of Analog Housekeeping Data

 

Source: R. Gold
Date: Sept. 5, 1985

 

The analog housekeeping data for LAN are digitized by the spacecraft with an 8-bit A/D converter over the range from 0 to 5.10 volts. Thus the digitized values represent .020 volts per count. The calibration data for the Flight Model are contained in the table below and on the enclosed graph (Figure 4.92).

 

Channel Format Name LAN Output Calibration
AHK2 0 10V Ref .318*V .062893 Volts/count
  1 10V .337*V .05305 Volts/count
  2 6V .318*V .062893 Volts/count
  3 HV BIAS .010*V .50 Volts/count
AHK3 See Attached Sheet
AHK4 0-3 current   .02268*I(mA) .88183mA/count

 

 

Figure 4.92 Solar polar temperature conversion

 

Figure 4.92

 

 

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Updated 1/2/19, Cameron Crane

QUICK FACTS

Manufacturer: ESA provided the Ulysses spacecraft, NASA provided the power supply, and various others provided its instruments.

Mission End Date: June 30, 2009

Destination: The inner heliosphere of the sun away from the ecliptic plane

Orbit:  Elliptical orbit transversing the polar regions of the sun outside of the ecliptic plane