As you know, our main goal is to collect ADS-B and Mode-S data for research purposes. On top of that we are now collecting FLARM messages. For this purpose we use the existing receiver software of the OGN Project. If you already have an OGN receiver setup, then it is really easy to share your FLARM data with us. If not, then you would need to setup an OGN receiver first, as explained here.
If you are willing to share your data with us, FLARM aircrafts received by your station will appear on the OpenSky Explorer and we will store the (raw) messages that your station receives and they will be available to our research community in our Historical Database. Furthermore we are working on a “collaborative decoding” functionality that should enable us to reconstruct messages with a poor SNR that have been received by multiple sensors: this could be especially helpful to track down devices that disappear in areas that are at the edge of the usual coverage.
Feeding with us with your existing OGN receiver is really easy, for simplicity I made a script that sets up everything for you and that you can run by running the following command from the home directory of the RaspberryPi:
Thanks. I am using a Pi Zero W and the image of Sébastien Chaumontet (could not get OGN to work with Raspbian Stretch Lite and manual install)
My local raspi status page (8081) states
and my DNS server shows requests for flarm-collector.opensky-network.org . Looks fine and I can see a FLARM data from a REGA helicopter near me on the live map.
I would like to feed OGN data as well, but there is a problem to solve.
I am running a local "Virtual Radar Server" to visualize AC from ADS-B data.
VRS is getting data
- from dump1090-fa ( ADS-B )
- from PilotAware-OGN
PW-OGN converts AC positions from ogn-decode into BaseStation messages.
And here is the problem:
With MergeServer enabled, ogn-decode 0.2.6 frequently crashes, while
ogn-decode 0.2.7 (your version) is running stable, but PW-OGN is reporting
AC positions several thousand km off.
Any idea how to solve this? I am not sticking to PW-OGN is there is another program
converting ogn-decode supplied positions to a format VRS can handle.
not yet. Sorry about that. I have no knowledge of other softwares doing the same. It has now been a while since the last OGN software release, I think that it makes sense to expect a new version soon. it might be worth waiting before starting any effort, to see what changes they will introduce.
thanks a lot for your question! We did not receive the new software in advance, so we haven't had the opportunity to check yet. We will do so during the coming weeks and make the necessary adjustments.
What is known is that OpenSky needs more than just one message in order to show an aircraft on the map (although all messages are logged and available in our dataset). If the ogn receiver only gets 1-2 messages the aircraft will not be displayed.