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•
Latitude - expressed in degrees, minutes, and seconds.
•
Longitude - expressed in degrees, minutes, and seconds.
•
Number of satellites - used to calculate the location. In general, more satellites make for better
accuracy. The maximum is 12 satellites.
•
Easting - refers to the eastward-measured distance expressed in meters.
•
Northing - refers to the northward-measured distance expressed in meters.
NOTICE: Skipping each digit of easting and northing coordinates decreases the accuracy by
the factor of 10.
5.12.4
Global Navigation Satellite System (GNSS) Accuracy
The Global Navigation Satellite System (GNSS) Location Service accuracy depends on the GNSS
coverage and the selected accuracy mode.
In good GNSS coverage (at least -137 dBm or in open sky), the location accuracy presents as follows:
•
In high accuracy mode, the accuracy is:
-
5 m for 50% of location reports.
-
10 m for 95% of location reports.
•
In power optimized or normal mode, the accuracy is:
-
20 m for 50% of location reports.
-
50 m for 95% of location reports.
NOTICE:
The presented values depend on variety of factors, for example the view on the sky. To
optimize the GNSS performance the radio should have the clearest possible view of the open
sky.
The use of the high capacity battery is recommended, especially when high accuracy mode is
used.
5.13
Wireless Application Protocol (WAP)
NOTICE: This feature is a paid feature.
Wireless Application Protocol (WAP) is a standard for application layer network communications in a
wireless communication environment such as TETRA network. The protocol is used to access the
mobile web from a radio through a WAP browser.
5.13.1
WAP Browser
The Openwave Mobile Browser is a Wireless Application Protocol (WAP)-compliant user agent. The
WAP browser, available only in TMO mode and on a network with Packet Data enabled, provides all
the basic services of a computer web browser. Depending on the CPS configuration, the display can
return to the browser session automatically after an interruption by the preemptive display. The WAP
browser does not support right-to-left languages (as Arabic and Hebrew); English is used instead. The
characters of right-to-left scripts are not displayed.
NOTICE: Depending on the radio configuration and the network conditions, the WAP browser
may not display images properly (or may display them with a delay).
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Chapter 5: Features
105
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