PAPI by Research Engineers
Verification
The performance and calibration of Research Engineers PAPI projectors, clinometer and veracity of the relationship between the two can be verified on the ground, cheaply, quickly and independently by a licenced surveyor.
Ground checking PAPI using theodolite |
The method used is to observe the transition, note the mid point, construct a parallel with it, and to measure this with a theodolite.
.Ground
Check Data Sheet
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