FlightRadar24 app ADS-B "IN" only displays aircraft if your at an altitude that their receiver can pick up.

dabkb2

Dave Bacon
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LA and San Diego are fully covered by radar on the west side of the mountains and far out to sea.
I suspect Fightradar24 works well with receivers from San Diego all the way to the mountains north of LA.
I had it on and it didn't drop me on my trip to El Mirage, that is a good thing. It's amazing how many planes are flying around, a lot more than you can see.

It's a lot busier than I thought it would be flying, checking Ifly, making sure I am on course, bouncing to flightradar24 to make sure I am staying clear, taking pictures along the way and in my spare time looking around and enjoying the area, oh ya and the best part, flying the gyro.
 

chrisk

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Hi John,
What is the N number and date? I'm most familiar with flightaware.com. It is a network of home based ads-b receivers. I'll look it up and post the flight path.

As for satellite and ADS-B. There is some confusion. In the US, ADS-B is ground based. I believe Canada plans to use satellites for data collection and requires an ADS-B antenna on both the top and bottom of the aircraft. And then in the US, there are two ADS-B frequencies. 1090 MHz is probably what you want if you are buying new equipment. Its good worldwide. 978 MHz is largely legacy equipment and basically good only in USA.
 

jrrylee

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A lot of ground stations that feed ADS-B are people like me, I've been receiving signals from my 1090 MHz antenna and feeding the data to flightradar24 and Flightaware for 6 years now.
 

knussear

Newbie
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Reno, NV
A lot of ground stations that feed ADS-B are people like me, I've been receiving signals from my 1090 MHz antenna and feeding the data to flightradar24 and Flightaware for 6 years now.
I'm also hosting a flightradar24 receiver. Downside of their system is they don't get any of the UAT devices, Lost of those around here - including me!
 

schmoe90

Magni M-16 Sport Pilot
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I'm also hosting a flightradar24 receiver. Downside of their system is they don't get any of the UAT devices, Lost of those around here - including me!

I built my own Flightaware receiver with an RPI. You can have a second SDR to listen on UAT, but strangely it seems to use a lot more CPU. I keep thinking I should upload to Flightradar too, I just never get around to it.
 

Tyger

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But do these home stations actually feed the government ADS-B network? My impression is that they merely take the data from passing aircraft and send it, via the internet, to those commercial sites. I believe the government ADS-B receiver/transmitters are communicating directly with aircraft and ATC, and not using internet-sourced, second-hand data.
 

jrrylee

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But do these home stations actually feed the government ADS-B network? My impression is that they merely take the data from passing aircraft and send it, via the internet, to those commercial sites. I believe the government ADS-B receiver/transmitters are communicating directly with aircraft and ATC, and not using internet-sourced, second-hand data.
That is my understanding, (they only feed internet data for personal use) I was responding partially to the original post which is about the Flightradar24 smartphone app.
 
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