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Assuring Quality of Iridium Service
Iridium is committed to providing subscribers around the
world consistent, reliable, quality voice and data access all
day every day. The Iridium satellite system is monitored
for call performance from numerous locations 24 hours a
day, 7 days a week in order to achieve this.
There are conditions that can compromise the quality
of the service you may receive. These include:
•
Obstructions
•
Cabling
•
RF Interference
Obstructions
The antenna must be able to "see" the entire sky from
approximately 8 degrees above the horizon. Nearby tall
buildings or similar structures, heavily leafed trees and
mountains can all degrade performance as they block
the signal between the antenna and the satellites.
Having a completely open view of the sky plays a very
important role in maximizing performance, as the
Iridium satellites cross the sky from North horizon to
South horizon during a connected call.
All surrounding obstructions must be lower than the
top of a fist extended at arms length and the bottom of
the fist placed on the horizon. Iridium performance is
immune from natural environments such as clouds, fog,
rain, snow, wind and smoke.
24
NOTE:
8.2°
Cabling
Using an externally mounted antenna provides an ideal
solution for many applications. If you have or plan to
install an external antenna, it is very important that the
cables used meet the Iridium guidelines established for
proper performance.
For optimal performance, we recommend using the
shortest length of cable and the fewest number of
connectors possible.
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