Technical data

Product Specification
HIF-2121/R5 CAGE CODE: 97896 SCALE: NONE SIZE: A DWG NO: 965-1176-601 REV: D SHEET 99
a corresponding decrease in accuracy. When using standard altitude in place of non-standard altitude, affected estimated
VFOMs are adjusted resulting in the affected signals being weighted less heavily in the final blended altitude.
6.7.9 WGS-84 Correction
Some GPS receivers provide GPS altitude referenced to WGS 84 instead of Mean Sea Level (MSL). When the GPS
reference configuration item indicates WGS 84 a correction algorithm is applied to correct the GPS altitude from WGS 84
referenced to MSL referenced. If an internal GPS is configured (per configuration module) then the GPS altitude reference
configuration item must be set to MSL.
6.7.10 Horizontal Position Source Selection
The MKVI/MKVIII EGPWS supports only a single GPS position source. Switching between sources is not required.