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HomeHomeDiscussionsDiscussionsADS-B Discussio...ADS-B Discussio...The ADS-B Spotty Coverage HazardThe ADS-B Spotty Coverage Hazard
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8/17/2020 1:36 PM
 

I keep wondering about ADS-B coverage--or in my case, the lack of it. This morning, for example, I flew 1.5 hours, but FlightAware "saw" me for only about 3 minutes of that time. That was GOOD--it didn't see me at all in the previous three flights. But the interesting thing is that for this flight I had the 740's Ghost Traffic filter turned off, and the only time I saw a ghost was during the same period that FlightAware tracked me.

I'm turning that filter back on, though. It's too spooky, seeing traffic displayed so close.

 
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8/19/2020 12:38 PM
 

Do you see any other traffic on FA/FR24 in that area? Is it flat or hilly/mountainous? It initially looks like there might just be a guy down there who has an ADS/B receiver paired into his computer to track airplanes in his area - that's how pretty much all of those websites work. 

 
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8/19/2020 12:53 PM
 
Brolin McKay wrote:

Do you see any other traffic on FA/FR24 in that area? Is it flat or hilly/mountainous? It initially looks like there might just be a guy down there who has an ADS/B receiver paired into his computer to track airplanes in his area - that's how pretty much all of those websites work. 

Flatland. The hills start 100 miles west. You might be right about the guy with the receiver.  Hah. I knew about that and had even applied to one of those apps to do it myself--but had somehow conflated that with the ADS-B system capability. I'm so grumpy about ADS-B's inadequacies that I probably overlook how well it does work.

 
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8/19/2020 1:03 PM
 

It can be very spotty, I spotted this just now as an example of holes in ADS/B exchange data streaming 

 
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HomeHomeDiscussionsDiscussionsADS-B Discussio...ADS-B Discussio...The ADS-B Spotty Coverage HazardThe ADS-B Spotty Coverage Hazard