Re: GPS unable to lock while moving
On Mon, 25 Jul 2005 12:48:47 +0100, Peter wrote
(in article <e9k9e1hjkp1sf5r84j5hpqad8hi7e1u129@xxxxxxx>):
> I use a variety of GPS systems, on the ground and in aircraft.
>
> The ground ones, usually Emtac (SIRF) based ones, also Sysonchip
> (possibly SIRF) and others, tend to have big problems locking on while
> moving e.g. on a train. Once the train stops, the thing locks
> immediately.
>
> Is this normal, or is it poor software? The aircraft systems
> (Honeywell KLN94 GPS) don't seem to have any of these problems.
>
>
My very ordinary Garmin handheld GPS has no problem locking on in a moving
train, car or even aircraft.
--
Mike Lane
To contact me replace invalid with mike underscore lane
.
Relevant Pages
- Re: GPS unable to lock while moving
... > I use a variety of GPS systems, on the ground and in aircraft. ... > The ground ones, usually Emtac (SIRF) based ones, also Sysonchip ... Once the train stops, the thing locks ...
(sci.geo.satellite-nav) - GPS assists FAA
... GPS assists FAA ... over command of the GPS Wing, Space and Missile Systems Center, Air ... Surveillance-Broadcast (ADS-B) technology, which uses transponders ... to provide the command and the control of aircraft competing for the ...
(sci.geo.satellite-nav) - Re: More IFR with VFR GPS questions
... "I have a question regarding the use of a handheld GPS receiver ... during IFR enroute flight. ... No further messages were received from FSDO "A". ... of the aircraft should reflect the additional equipment. ...
(rec.aviation.ifr) - SiRF and Garmin
... As reported earlier, both SiRF, a GPS chipmaker, and Garmin ... have increased and will continue to do so in calendar Q4 as the company ... He stated that the channel was now up to appropriate inventory levels as ...
(misc.invest.stocks) - Re: The FAA is marching toward sole dependence on GPS.
... It is the entire aviation industry working with the FAA in performance-based navigation concepts. ... Most of the serious transport aircraft have, or will have, very accurate IR systems in addition to GPS, thus they are not single thread aircraft. ... High Power GPS jammers energized at coordinated locations ...
(rec.aviation.ifr) |
|
