RESEARCH CONCEPTS RC3000 Uživatelský manuál stáhnout pdf (Strana 5)

RC3000 Antenna Controller Appendix HGPS Hemisphere GPS Compass

HGPS-5

COMPASS CHECKOUT

After programming the various settings, the performance of the GPS compass should be confirmed. With

the GPS antenna array oriented in a fairly well known true heading (account for local magnetic variation if

using a magnetic compass as reference), put the RC3000 into the GPS Compass Heading maintenance

screen (3.3.2.7).

Observe that the instantaneous and average true headings are close to the expected value.

If possible, allow this mode to operate for several hours and observe the maximum and minimum true

headings. Over the course of several hours, the GPS constellation of satellites will continuously change

and present different geometries to the compass algorithm. If the max and min are within a degree of

each other, the GPS compass is probably working well.

NOTE: during this checkout we are observing the raw true heading of the GPS antenna array. Any

compass offset discussed in item 4 above will not be applied to the values shown in the GPS Compass

Heading maintenance screen.

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RESEARCH CONCEPTS RC3000 Uživatelský manuál Strana 5