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Mike & Matt,
Thanks for this thread and the related one on bare wire connectivity for the Aera 796. The data in the two threads made it a snap today as I built my panel RS232 wiring! My GDL 39 is feeding ADSB to my 795 and the 795 is feeding both my MGL V10 radio with frequencies and the TruTrak AP with tracking data. |
tablet and gdl-39
OK.
So I am using Gamin Pilot on my Samsung Galaxy tab. I am to receive the GDL -39 on Tuesday. The tab already has a gps receiver in it but the GDL-39's receiver must be superior to it. Will it automatically take over or will i have to turn off the gps on the tablet? |
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-Mike Kraus RV-4 Sold RV-10 Flying KitFox SS7 Building |
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As for other devices, its the application that determines what data it will use. Ipads, Android etc can have several GPS data streams running around available to it. It has nothing to do with which one is 'superior'. |
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As for an external 796/696 GPS antenna, the GDL39 does not serve as the GPS for a 796 (or 696) like it can for the Ipad therefore if you do not have good satellite coverage on your 696/796, it will also need an external antenna even if it is hooked up to a GDL39 with a perfect sat lock. |
Down the road, the GDL 39 might provide GPS OUT. That said, I have a remote GPS connected to the GDL, since, for the time being, both the GDL 39 and the 796 need their own GPS signals.
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While someday I think you might see the GDL39 being able to use the GPS data from the portable GPS (eliminating the need for an external GDL39 GPS antenna), I doubt you will ever see the GDL39 being able to supply GPS data to the portable GPS.
When you think about it, it would not be desirable to have the GDL39 provide GPS data to the portable GPS. One would lose the tight integration and the high update rate that is possible with the build in GPS. Also to prevent confusing others, with the GDL39 and the Garmin Portable GPS's, the remote antenna is just that, a remote antenna. There is no GPS inside the puck. |
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More info here. |
The GDL 39 GPS serves two purposes - it is used for its own calculations (weather location and traffic info) and to serve as a GPS for Bluetooth devices. Since it already sends GPS location data over Bluetooth, it suggests that a firmware update could bring this capability to the hard wired serial lines.
Given the GDL 39 serves both the certified fleet as well as the Experimental fleet, the non-hardwired configurations need to be as complete as possible. With a tablet (or 796 on a yoke) and a battery backed GDL 39 on the glare screen, a pilot in a certified aircraft can have nearly the same level of modern equipment we can build into our panels. :D |
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