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94 Section 3E: Frequently Asked Questions (Windows)
Can I use Sprint Location Services if I have enabled NDIS?
Yes. Sprint Location Services/GPS services are supported, whether or not you have
selected Enable Network Adapter (NDIS).
Do I need a GPS subscription to use GPS?
For GPS Basic, you do not need a GPS subscription.
For GPS Premium, you need a GPS subscription.
For more information on GPS Basic and GPS Premium, see “What is GPS Basic?”
and “What is GPS Premium?” on page 95.
Location-Based Services limitations
To acquire a location fix, you must be connected to the Sprint network, (subject to
change) not roaming, and, for the initial fix, in 1X coverage.
If you're outside with a clear view of the sky, the card uses MS-Based position
location technology. Weather conditions may affect your ability to get a clear view
of the satellites and thus to acquire a GPS fix. MS-Based GPS (Basic) is for outdoor
use only.
What GPS mode options are supported?
GPS on a Sprint data card works like any other GPS device. Sprint provides two
types of GPS mode: GPS Basic, and GPS Premium.
For more information, see “What is GPS Basic?” and “What is GPS Premium?” on
page 95.
Note:
Location-Based Services use Advanced Forward Link Trilateration (AFLT). AFLT is a type
of device-based position location technology. Unlike A-GPS, AFLT does not use GPS
satellites to determine location. Instead, the device takes measurements of signals
from nearby cellular base stations (towers) and reports the time/distance readings
back to the network; the readings are then used to triangulate an approximate
location of the device. In general, at least three surrounding base stations are
required to get an optimal position fix.
AFLT accuracy may vary, depending on the geometry of the cell towers in your
location.
Note:
Sprint Location Services may not be supported if Network Mode is set to 1xEV-DO Only
or (subject to change) if you are roaming. To use Sprint Location Services, ensure
Network Mode is set to Automatic or 1XOnly, and ensure that you are in the network
coverage area (not roaming).