[Boatanchors] LightSquared

[Francesco Ledda]

They go back to VORs!

-----Original Message-----
From: boatanchors-bounces at mailman.qth.net
[mailto:boatanchors-bounces at mailman.qth.net] On Behalf Of WA5CAB at cs.com
Sent: Monday, October 08, 2012 5:09 PM
To: boatanchors at mailman.qth.net
Subject: Re: [Boatanchors] LightSquared

And what do they all do when they lose GPS? 

In a message dated 10/08/2012 16:48:39 PM Central Daylight Time,
rbethman at comcast.net writes: 
> You need to come out of the '60s!
> 
> Glass Cockpits
> 
> As aircraft displays have modernized, the sensors that feed them have 
> modernized as well. Traditional gyroscopic flight instruments have 
> been replaced by electronic Attitude and Heading Reference Systems 
> (AHRS) and Air Data Computers (ADCs), improving reliability and 
> reducing cost and maintenance. GPS receivers are usually integrated 
> into glass cockpits.
> 
> Early glass cockpits, found in the McDonnell Douglas MD-80/90, Boeing 
> 737 Classic, 757 and 767-200/-300, and in the Airbus A300-600 and 
> A310, used Electronic Flight Instrument Systems (EFIS) to display 
> attitude and navigational information only, with traditional 
> mechanical gauges retained for airspeed, altitude and vertical speed. 
> Later glass cockpits, found in the Boeing 737NG, 747-400, 767-400, 
> 777, A320 and later Airbuses, Ilyushin Il-96 and Tupolev Tu-
> 204 have completely replaced the mechanical gauges and warning lights 
> in previous generations of aircraft.
> 
> Bob - N0DGN
> 
> 
> I don't think any commercial airline or the military would fly w/o INS.
> 
> -John
> 

Robert & Susan Downs - Houston
wa5cab dot com (Web Store)
MVPA 9480
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