My Lincoln Tunnel experience
#1
Instructor
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My Lincoln Tunnel experience
For the first time since taking delivery last July, I drove my
RL from my home in Central NJ to New York City.
I had the navigation unit running the entire trip.
I was suddenly amazed the moment I entered the Lincoln Tunnel.
While I expected my XM radio would cut out, I certainly did
not expect my navigation unit to continue tracking my position.
That navigation unit charted my progress the entire trip through
the tunnel under the Hudson River (glub! glub!).
I was just amazed that the navigation unit received a signal
under those circumstances.
RL from my home in Central NJ to New York City.
I had the navigation unit running the entire trip.
I was suddenly amazed the moment I entered the Lincoln Tunnel.
While I expected my XM radio would cut out, I certainly did
not expect my navigation unit to continue tracking my position.
That navigation unit charted my progress the entire trip through
the tunnel under the Hudson River (glub! glub!).
I was just amazed that the navigation unit received a signal
under those circumstances.
#2
Originally Posted by NJRonbo
For the first time since taking delivery last July, I drove my
RL from my home in Central NJ to New York City.
I had the navigation unit running the entire trip.
I was suddenly amazed the moment I entered the Lincoln Tunnel.
While I expected my XM radio would cut out, I certainly did
not expect my navigation unit to continue tracking my position.
That navigation unit charted my progress the entire trip through
the tunnel under the Hudson River (glub! glub!).
I was just amazed that the navigation unit received a signal
under those circumstances.
RL from my home in Central NJ to New York City.
I had the navigation unit running the entire trip.
I was suddenly amazed the moment I entered the Lincoln Tunnel.
While I expected my XM radio would cut out, I certainly did
not expect my navigation unit to continue tracking my position.
That navigation unit charted my progress the entire trip through
the tunnel under the Hudson River (glub! glub!).
I was just amazed that the navigation unit received a signal
under those circumstances.
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#8
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Join Date: Aug 2005
Location: Ridgefield, CT
Age: 57
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The system should indeed have 'dead reckoning' backup to the GPS system. That should also allow for decent performance when mountains/trees/buildings temporarily block the GPS signal. I doubt it uses gyros but a compass combined with accurate speed information is enough to keep it reasonably accurate for a while.
I still wonder why they didn't put the GPS antenna in the sharkfin though. That's where it belongs for best reception potential.
I still wonder why they didn't put the GPS antenna in the sharkfin though. That's where it belongs for best reception potential.
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