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  #21  
Old 02-17-2016, 08:17 PM
c177tx c177tx is offline
 
Join Date: Nov 2006
Location: Austin
Posts: 130
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Quote:
Originally Posted by n5lp View Post
The iPhone got an immediate GPS lock and the Garmin with the little stub antenna never did lock until I took it outside for about 5 minutes.
I believe that the Iphone uses A-GPS, or Assisted GPS, The Garmin uses GPS and requires a view of the sky to see the Satellites, where the Iphone uses cellphone towers and Satellites. If out of cell phone range the Iphone takes longer to lock on using only Satellites.
https://en.wikipedia.org/wiki/Assisted_GPS
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Garrie Moore
Austin, Texas
177 Cardinal
-8 empennage finished
on hold for the wing order
http://rv8-n486ap.blogspot.com/
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  #22  
Old 02-17-2016, 08:30 PM
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bhester bhester is offline
 
Join Date: Jan 2005
Location: Hopkinsville, KY
Posts: 957
Default 510 and GDL39

Larry, I used my 510 and GDL39 for weather and some traffic before I installed my G3X and really liked it, no monthly fee. I also hate exposed wires in the cockpit, so rather than use an ipad, I decided to put in the G3X system and I love my new panel. Just replaced my 327 with a 330ES and will be installing a GPS20A in a couple months to complete my ADS-B 2020 compliant.

The 510 has a better GPS receiver and can lock on while sitting on my coach in my living room across the room from windows, the 296 with the stubby would not do this.

Everything in the panel with no exposed wires. That's just the way I like it.
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Surfing the web from Hopkinsville, KY
N857BH RV7A XP-O360 - Garmin G3X ADS-B IN/OUT 2020 Compliant
Web site: http://www.newtech.com/bobbyhester/RVSite.htm
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