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Internal Ant. vs Ext Ant. GPS?

Old 01-24-2003, 09:20 AM
  #1  
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Default Internal Ant. vs Ext Ant. GPS?

Looking at several Garmin options for fixed mount GPS Units. I have a T-Top with canvas cover. I want to make sure I do the right thing, but do not want the hassle of the external antenna if I it will not add value.
Should I go with the internal or external anttena?

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No Worries

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Old 01-24-2003, 11:04 AM
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Default Internal Ant. vs Ext Ant. GPS?

I have an Edgewater 185CC w/T-TOP and enclosure. I have a Garmin GPSMap162 with an internal antenna and a backup eTrex Legend also with an internal antenna. I don't have any problems with either unit getting strong signals.

Anothergirl
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Old 01-24-2003, 11:05 AM
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Default Internal Ant. vs Ext Ant. GPS?

Noworries,
It work without it but there may be times when the T-top franing will block some of the signal.
Just an old guys opinion.
joe

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Old 01-24-2003, 11:44 AM
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Default Internal Ant. vs Ext Ant. GPS?

Is all I need to hear. I do not want to compromise any performance.
Thank You

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Old 01-24-2003, 12:09 PM
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Default Internal Ant. vs Ext Ant. GPS?

I have a T-top with canvas too. I have a Garmin GPSMAP 135 Sounder with an external antenna. As a backup I have a Garmin GPSMAP 76S, mounted right next to it with just the internal antenna...next to that is a Magellan 6000 GPS with internal antenna. I can see no difference in internal vs external. I would try the internal first, can always add the external antenna. On the other hand, no one is ever standing in front of or on side of the external antenna. These units with 12 channels and WAAS are amazing. I did however need an external antenna for the Garmin Street Pilot in the car! I NEVER GET LOST!

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Old 01-25-2003, 04:52 PM
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Default Internal Ant. vs Ext Ant. GPS?

i have a garmin e-trex summit an can be sitting in my living room an pick up a signal,I can't see where a t-top would block anything
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Old 01-25-2003, 05:25 PM
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Default Internal Ant. vs Ext Ant. GPS?

What about an internal antenna on a flush mount set up. It can get a signal through the canvas but how about through or impeded by the console f-glass.?
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Old 01-25-2003, 05:34 PM
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Default Internal Ant. vs Ext Ant. GPS?

I've got a Garmin 152 with an internal antenna up on the tower as a back-up to the Northstar 952 plotter mounted in the dash. The Garmin is often shaded by the buggy top on the tower, but I've never had a problem with it losing the position fix. It's a great little unit for the price.

Joe
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Old 01-25-2003, 05:40 PM
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Default Internal Ant. vs Ext Ant. GPS?

fiberglass will not hinder the signals strength. Carbon fiber will kill it.
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