A couple of thinks to note:
Before running the auto-calibration feature, first set the antenna elevation
mask angle to a low value and let it run for a few (say 12) hours. This will
collect data on the received signal strength vs satellite elevation angle. The
auto-calibration routine sets the elevation filter value based upon what it
sees. If you don't lower the elevation filter value before running the
auto-calibration, Lady Heather can't make a good guess at the appropriate
elevation angle filter value to use for your location.
And let Lady Heather automatically store the calculated survey-position in
EEPROM. The manual location entry is limited to using single-precision numbers
and is only accurate to a few feet.
Once your oscilllator has settled down (usually takes about a month for a unit
fresh off the boat from the Old Kingdom), you should probably re-run the
calibration feature and precision survey.
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5) run the auto-calibration feature in LH
6) run a 48 hour survey with LH and write the location to ee memory
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