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HomeHomeDiscussionsDiscussionsiFly GPS for iP...iFly GPS for iP...Which ADS-B in devices work [well] with iFky iPad?Which ADS-B in devices work [well] with iFky iPad?
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2/14/2016 1:04 PM
 
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RONSIM wrote:
Please, Please! Do not rely on traffic reported by an "IN" only system. "Some" traffic is worse than "no" traffic. Too many people are falling for vendor claims of "traffic and weather" for their "in" only systems.

(Sorry, rant day!)
Ron
Agreed. That is exactly why I sold my Dual XGPS 170 and bought a SkyGuard transceiver.
 
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2/14/2016 3:06 PM
 
Jim McWhorter
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Posts: 48
Check out: ADB-S Traffic 101: http://ipadpilotnews.com/2016/01/ads-b-traffic-101-2/
They really do a great job of letting you what you can and should not expect from an "IN" only box. Yes its slanted towards a specific product, but the theory of operation is universal.

In Seattle Avionics' ADS-B primer ( http://www.seattleavionics.com/documents/ADS-B_Primer.pdf ), In the summay, it clearly states:

"ADS-B provides for sending traffic information to aircraft but it is dangerous to rely upon. "

"... it is likely that all traffic data will not be available to most aircraft using ADS-B receivers. "

" .. users of iPad-connected portable ADS-B receivers only see traffic if another aircraft with
an installed ADS-B OUT system is nearby. "

" ... pilots must be very aware of the risks of relying on ADS-B traffic."





Aircraft Ferry Services, Jonesborough TN (IFly720/Air2/Tab3)
 
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2/14/2016 3:20 PM
 
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Yes, it's very simple to understand. With only ADS-B in you receive air-to-air from ADS-B out equipped traffic on 978 or 1090 or both, depending on your receiver. You do not receive any of the traffic that is being transmitted via the FAA ground station. In most cases, that is the majority of the traffic. To receive that traffic, you need ADS-B out to trigger the ground station to send the traffic to your receiver.

That said, if you are flying in close proximity to another aircraft with ADS-B out, you might receive the ground station signal that is being sent to his aircraft. However, depending on his position relative to you, you might not see traffic that is close to you, but not close to him.

To me, ADS-B in only is probably worse than no ADS-B for traffic.
 
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2/14/2016 3:52 PM
 
Wade Leveille
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Posts: 208
So I have been using my Ipad2 with dual 170....When I do see TIS-B traffic on the Ipad display, it is there! Getting to know and understand in only is a must. Having both in and out is the best but in only, and understanding what your receiving is a plus to not having it... In my opinion...
 
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2/14/2016 3:55 PM
 
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Yes, if you stay disciplined and don't get complacent.
 
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