Reference Information
LD8 Operations Manual
AB- V-MA-00635_RevA6
39
Field
Content
Notes
be detected) and the Significance level used.
126…130 Unit Variance
The Variance and Covariance terms are elements from the variance-covariance
matrix of the position fix computation (un -scaled) in metres².
131…137 Variance Latitude
138…145 Covariance Lat/Long
146…152 Variance Longitude
153…159 Variance Height
160…165
95% Error Ellipse Semi
Major Axis
Shows 95% confidence level of the semi -major axis of the error ellipse in metres.
166…171
95% Error Ellipse Semi
Minor Axis
Shows 95% confidence level of the semi -minor axis of the error ellipse in metres.
172…177
Orientation Of Semi Major
Axis of Error
Orientation of the semi major axis (degrees from true North)
178…179 F Test
A test applied to the Unit Variance. (P=Pass, F=Fail).
A “Fail” may result from large outliers in the measurements.
180…182 No of Satellites used in
the Fix (n)
Variable
Satellite PRN Numbers of
Satellites used in Fix
PRN numbers are space separated
Variable
Number of Reference
Stations used for this Fix
(00
– 99)
Variable
Ids of the Reference
Stations used in the Fix
Station ID numbers are space separated
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