On 20 Sep, 13:19, %%ste...@malloc.co.uk (Steve Firth) wrote: GPS + the current speed sensor for when there's no satellite coverage (such as inside tunnels) would be enough. The speed sensor could be calibrated from the GPS when there is a signal. This is already used for some upmarket in-car GPS navigation systems. GPS doesn't give an accurate speed on gradiants. If you're the amazing engineer you make out you'll know why...

... and do *not* interfere with aircraft navigation systems. The issue is that whilst ... with aircraft VOR, LOC, GLS, or GPS navigation radios". I would have thought ... and do *not* interfere with aircraft navigation systems." and "The lowest mobile band ..."these gadgets"? Mobile phones and radio navigation systems. If you're going to ..., "do *not* interfere with aircraft navigation systems" would seem to be somewhat...

... in Clifton (NJ) is seeking an Engineer who will be responsible for challenging systems engineering activities in support of GPS navigation business area. The products include GPS navigation space payload, GPS control/ground segment software and specialized/space GPS receivers. Duties include the ability to understand system concepts designs, develop system requirements and ...

... collection, processing, exploitation, analysis, and integration to dissemination solutions for a variety of applications including intelligence, surveillance and reconnaissance, GPS navigation, meteorological, commercial remote sensing, and space science. Experience Requirements: Education and Experience: Requires B.S. degree, preferably in Engineering or ...

... frequencies and do *not* interfere with aircraft navigation systems. The issue is that whilst the...>> individually be likely to interfere with aircraft VOR, LOC, GLS, or GPS navigation radios". I would have thought that was an impossibly small sample ..., "do *not* interfere with aircraft navigation systems" would seem to be somewhat ... management reasons, rather than air safety.. GPS? No, its for just for their ...

... frequencies and do *not* interfere with aircraft navigation systems. The issue is that whilst the ... would individually be likely to interfere with aircraft VOR, LOC, GLS, or GPS navigation radios". (the safety margin for GSM was calculated as 47dB) http://www.... Thus, "do *not* interfere with aircraft navigation systems" would seem to be somewhat ... phone in the air for spectrum management reasons, rather than air safety.. GPS?

...and information collection, processing, exploitation, analysis, and integration to dissemination solutions for a variety of applications including intelligence, surveillance and reconnaissance, GPS navigation, meteorological, commercial remote sensing, and space science. Position Description: ITT Space Systems in Clifton, NJ is seeking a Sr Staff Electronic Power...

... in Clifton (NJ) is seeking an Engineer who will be responsible for challenging systems engineering activities in support of GPS navigation business area. The products include GPS navigation space payload, GPS control/ground segment software and specialized/space GPS receivers. Duties include the ability to understand system concepts designs, develop system requirements and ...

...and information collection, processing, exploitation, analysis, and integration to dissemination solutions for a variety of applications including intelligence, surveillance and reconnaissance, GPS navigation, meteorological, commercial remote sensing, and space science. Position Description: ITT Space Systems in Clifton, NJ is seeking a Sr Staff Electronic Power...

... in Clifton (NJ) is seeking an Engineer who will be responsible for challenging systems engineering activities in support of GPS navigation business area. The products include GPS navigation space payload, GPS control/ground segment software and specialized/space GPS receivers. Duties include the ability to understand system concepts designs, develop system requirements and ...