Campbell FW05 Manuál stáhnout pdf (Strana 53)

A-1

Appendix A. CSAT3 Orientation

A.1 Determining True North and Sensor Orientation

The orientation of the CSAT3 negative x-axis is found by reading a magnetic

compass and applying the site-specific correction for magnetic declination;

where the magnetic declination is the number of degrees between True North

and Magnetic North. Magnetic declination for a specific site can be obtained

from a USGS map, local airport, or through a NOAA web calculator (Section

A.2). A general map showing magnetic declination for the Conterminous

United States in 2004 is shown in FIGURE A-1.

FIGURE A-1. Magnetic declination for the conterminous United States

(2004)

1 2 ... 48 49 50 51 52 53 54 55 56 57 58 ... 71 72

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Campbell FW05 Manuál Strana 53