Global Positioning System / Global Navigation Satellite System - Motorola APX 6000 User Manual

Companding Reduces the channel noise, e.g.
OTA transmission, that is
predominantly present in UHF2 and
900 MHz channel with the following
features.
Compressor Reduces the
Expander
Random FM
Reduces the unwanted effects of
Noise
random FM noise pulses caused by
Canceller
channel fading under high Signal-to-
(Flutter
Noise (S/N) conditions such as in a
Fighter)
moving transportation. The fading
effects, heard as audio pops and
clicks, are cancelled without
affecting the desired audio signal.
Global Positioning System / Global
Navigation Satellite System
background noise
flow and the speech
signal at
transmitting radio.
Expands the speech
while the noise flow
remains the same at
receiving radio.
The Random FM Noise Canceller
operates only in receive mode.
The Global Navigation Satellite System (GNSS) in the
radio uses information from the Global Positioning
System (GPS) to determine the approximate
geographical location of your radio. The geographical
location is expressed as latitude and longitude or
Military Grid Reference System (MGRS) format per
request from customers.
Note:
This feature is addressed as GPS across the
manual as the naming convention of the
buttons and strings remain the same as the
legacy feature of GPS.
The availability and accuracy of this location
information (and the amount of time that it takes to
calculate it) varies depending on the environment in
which you are using the GPS feature.
For example, GPS location fixes are difficult to obtain
indoors, in covered locations, between high buildings,
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