Geodesy Giga Pico Next TP Manuel d'utilisateur télécharger pdf (Page 11)

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Fax.: 06-1-481-2049

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3.3 Distance measurement

Because the units were designed, and calibrated for certain distance operations the

higher distance will decrease the availability. GeoDesy FSO pre-calibrates and pre-

tests every unit shipped to the customer. To ensure that the unit you are about to

buy fits to the needs, the first step

is to measure the distance. The

best way to measure it is by GPS

(Global Positioning

System), these units

are accurate enough to

determine the distance

between two points.

For more details please

refer to the GPS

manufacturer

handbook. Also there are several

other ways to measure the

distance. If you know the exact

address you can use mapping software like MapPoint or Auto route.

3.4 Direct sunshine

To prevent the sun shining directly

into the receiver optics, first one

has to determine the orientation of

the link. Try to avoid East-West

orientation wherever it is possible.

Examine both sides of the link at

sunset and sunrise and find a

position where the sun cannot get

behind any of the heads. Be aware

that the path of the sun is changing

throughout the year.

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Geodesy Giga Pico Next TP Manuel d'utilisateur Page 11