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  #1 (permalink)  
Old 09-11-2006, 01:02 PM
Enthusiast
 
Real Name: Lloyd Lee-Lim
Location: Berkeley, CA, USA
Hybrids: 2007 Escape Hybrid 4WD
Posts: 18
Default GPS antenna location?

My wife and I are experienced GPS users (geocaching, survey markers, etc).

We've noticed that the Escape Hybrid roof is thick enough to block our garage door remote control. This made me wonder where the GPS antenna for the navigation system is mounted. Does anyone know?

Lloyd
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Old 09-11-2006, 01:15 PM
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Real Name: Tim
Hybrids: 2006 Escape 4WD
Posts: 1,401
Default Re: GPS antenna location?

Someone said it was under the little recessed square on the top of your dash in the middle near the window. But I have no confirmation of that.
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Old 09-11-2006, 01:39 PM
occ occ is offline
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Location: Southern California
Hybrids: Mercury Mariner Hybrid
Posts: 302
Default Re: GPS antenna location?

I'm not sure about the FEH, but my 07 MMH has "an antenna" on the right side just front of the passenger door that I thought was the NAV antenna (since the FM antenna is usually etched on the liftgate windows, right?)

Here's a picture of the 07 MMH that has that antenna...cant see it in this picture, but it's squiggly, almost like a double helix, and not normal straight FM antenna at all.

http://www.autoweb.com/content/resea...s_id_int/41846

.

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Old 09-11-2006, 02:44 PM
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Real Name: Tim
Hybrids: 2006 Escape 4WD
Posts: 1,401
Default Re: GPS antenna location?

Thats your FM antenna.... the only thing on the liftgate is a defroster.
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Old 09-11-2006, 03:00 PM
occ occ is offline
Pretty Darn Active Enthusiast
 
Location: Southern California
Hybrids: Mercury Mariner Hybrid
Posts: 302
Default Re: GPS antenna location?

Quote:
Originally Posted by TeeSter
Thats your FM antenna.... the only thing on the liftgate is a defroster.
Oh..ok. Thanks for the correction. So where is the FM antenna for the FEH? Is it telescopic? If so, why the heck did they make the FM atntenna for the MMH non-telescopic? Inquiring minds wants to know...(ok...I'll read up on my manual tonigh).

.

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Old 09-11-2006, 03:23 PM
 
Real Name: Gary Gattis
Location: Jupiter, FL
Hybrids: 05 FWD FEH, '09 FWD FEHL
Posts: 2,444
Default Re: GPS antenna location?

Hi Lloyd

The GPS antenna is behind the Navi which has to be removed to access the antenna. It is held in place by one screw. I thought I read it was part of the Audio Control Protocol module, but it's not.

GaryG

.


Last edited by GaryG; 09-11-2006 at 03:41 PM.
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Old 09-11-2006, 03:52 PM
gpsman1's Avatar
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Real Name: John
Location: All over the Central U.S.
Hybrids: 2005 Ford Escape FWD, 2000 Honda Insight
Posts: 3,527
Default Re: GPS antenna location?

GPS is a very faint signal, and needs to be pretty much line of sight with the sky.

It will go through thin ( 1/8" ) plastic or glass, but sheet metal of any kind is a formitable barrier.

I've been suspicious of that little plastic square ( or rectangle, not looking at it now ) in the center of the dash, near the windshield. I can't confirm at this point, but other than the outside of the car, this would be the logical place. ( also close to the back of the Nav unit itself )

IT IS POSSIBLE ( but improbable ) for the GPS signal to be integtrated into the AM/FM whip antenna on the outside of the car.

.

Gasabout $0.03/mi
Gasabout $0.06/mi
E85about $0.06/mi

2003 GMC 2500HD 6.6L V8 Duramax 26.5 MPG
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Old 09-11-2006, 04:06 PM
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Real Name: Ray Martin
Location: Boston (north suburbs)
Hybrids: 2005 & 2006 Ford Escape
Posts: 719
Default Re: GPS antenna location?

Quote:
Originally Posted by gpsman1
IT IS POSSIBLE ( but improbable ) for the GPS signal to be integtrated into the AM/FM whip antenna on the outside of the car.
I doubt that whip antenna would be of any use for receiving the GPS signal. While both are LOS signals, the whip antenna is mainly used for AM signals which are medium frequency (300-3000 kHz) IIRC. FM which is VHF (30-300 meg) comes in pretty well without the whip even installed. GPS signals are way up in the UHF band (300-3000 meg) I believe.

.

2005 FEH - lifetime 35 mpg (91k miles)
2006 FEH - lifetime 33 mpg (76k miles)
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  #9 (permalink)  
Old 09-11-2006, 04:16 PM
gpsman1's Avatar
Hybrid and Ethanol Expert
 
Real Name: John
Location: All over the Central U.S.
Hybrids: 2005 Ford Escape FWD, 2000 Honda Insight
Posts: 3,527
Default Re: GPS antenna location?

I think you missed the point. One antenna could serve multiple purposes. This is almost certainly not the case here, but could be in the future.

FWIW, GPS L1 Band = 1575.42 Mhz Wavelength = 19.029cm ( 0.19029m ).

Or 1.5 Ghz in round terms.


.

Gasabout $0.03/mi
Gasabout $0.06/mi
E85about $0.06/mi

2003 GMC 2500HD 6.6L V8 Duramax 26.5 MPG
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  #10 (permalink)  
Old 09-11-2006, 04:29 PM
 
Real Name: Gary Gattis
Location: Jupiter, FL
Hybrids: 05 FWD FEH, '09 FWD FEHL
Posts: 2,444
Default Re: GPS antenna location?

Hi Ray

If you look on top of the center of the dash close to the winshield, there is a 1 1/2 inch square plug. Pretty sure that that is the top of the GPS antenna. The shop manual says the navi has to be removed to access it. This location would give the antenna a clear shot though the windshield. It looks like the brackett that holds the antenna in a horizontal position is bolted to the firewall.

GaryG

.

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Old 09-11-2006, 04:29 PM
 
 
 
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