Busy night. @EIonJet and that Jeff bloke both flying around... I took a look at their #ACARS. Yeah.
There are many sources of data. Why focus on one more than the other? I guess pixels on a map are more easily digestible? I'm honestly interested in what people think of raw data.
Quick update. Usual insane #ACARS day here. Working with a guy in Ireland on #VHF VDL2 #RTLSDR v3 message logging. Then helped a guy in Ireland about L-Band system handshakes.
Got to do a bunch building the #L-Band #Helix #antenna, but did not finish as a guy I have been helping in Maine get running on data from #Inmarsat #CBand needed some help.
Bottom line, close to a world-first here. #ADSC data from 54w.
We now truly have global coverage from all 4 satellites!
#ACARS #vhf #rtlsdr #l #helix #antenna #inmarsat #cband #ADSC
I am going to try and fail to contain my 'outrage' (Not the right word, but eh) on the topic of #JSON data in #ACARS messages.
I thought there would be about 50 'paths' of data.
I'm up to 7821 paths (keys?) so far. 7.8.2.1 !!
That is a TON of #dumpvdl2 data we had no idea about.
@PaulM Welcome.
I did a ton of home automation with Node-RED, thats how it all started sort of.
Since getting into the aircraft tracking I have not touched the HA stuff at all.
The #ACARS is pretty much a full time job (it could be, but I need to pay the bills so have a real job of industrial automation).
What HA software do you use mostly?
Here is last nights #dumpVDL #ACARS messages for the SoCal/Arizona area.
The air band antenna picks up the signal, usual #RTLSDR v 3 receives it, #RaspberryPi running #dumpvdl decodes it, MQTT sends the JSON, #nodered extracts the lat/lon and plots it on the map.
Night flight patterns are always quiet, as are weekends, going to let it run and see what we get.
#dumpvdl #ACARS #rtlsdr #raspberrypi #nodered
Here is a screenshot of lat/lon from aircraft plotted on a map.
There are two #ACARS stations here, #KLAS and #KPHX airports.
Using #nodered worldmap node and its heatmap to show traffic density.
Ok, just added one from the UK as well... a single #ACARS #VDL2 station in this case.
Keep in mind some of these aircraft will be using #ADSB, some wont <cough Elon /cough>.
#ACARS #klas #kphx #nodered #vdl2 #adsb
Still trying to get my head around #JSON in #NodeRED
The big issue is that I don't know what name (paths) will give the value that I am looking for.
Also finding the dynamic path name to the value is killing me. If the path is not there, you get 'undefined'.
Wrote a name (path) logger today, up to just over 4000 paths after 6 hours for one #acars decoder, dumpvdl. Got about 5 more to go.
So it turns out that the #javascript command 'new set' will de-duplicate an array. So I simply had to pass in the #ACARS flight plan waypoint list into that and get out the other end a very clean #SkyVector URL.
Attached is a very long civil flight plan as an example.
Huh. So turns out that the #JavaScript command 'new set' will de-duplicate an array.
So I simply fed my #SkyVector waypoint list from the #ACARS message to it and ta-dah. We now have nice clean waypoint maps URLs.
To build a URL like this flight by hand would have taken 15-20 minutes, now its just a click.
To top it off, I have used #nodered #Telegram node to add the flight plan messages to a bot channel and so they just show up for the user.
Just fantastic to see #flighttracking come together!
#javascript #skyvector #ACARS #nodered #telegram #FlightTracking
Finally figured out how to turn waypoint #ACARS messages into #skyvector URLs yesterday evening.
So we can now take the ACARS in the screenshot here to the map in the screenshot via a simple link on the site.
It should help tracking all sorts of flights a lot quicker and a lot more accurate as its hard to visualize or memorize the 1000's of waypoint names used globally.
I will be rolling it out to the site as soon as I fix a bit of #JavaScript (I still cant program after 7 years!).
Not very flattering and that's why I am posting it.... testing a different LNB (Low Noise Block). It down converts the 3.6Ghz from #Inmarsat to around 1.5Ghz for the #SDR to decode the #ACARS messages and #ADSC position data. The latter of which end up on https://adsbexchange.com and millions of people (and scores of #osint folk) use and enjoy and have no clue such an ugly meat head like me makes it possible.
#inmarsat #sdr #ACARS #ADSC #osint
I don't just cover #satcom #ACARS, but also #VHF and #HF.
For HF-DL (HF Data Link) I have a few stations scattered around the globe (but none in the Southern Hemisphere -hint hint).
Just looking at the site now and see all stations are really cranking.
83k messages thus far, and 113k messages yesterday.
We find a lot of the smaller aircraft/airlines use HF vs satcom because its cheaper!
With the KC-135 USAF aircraft migrating from #Inmarsat to #Iridium I have been working hard to try and get a solid 'how to' setup and run an Iridium ground station that feeds #ACARS to https://app.airframes.io/
Its proving to be complicated. The #RaspberryPi is not up to the task so I have been testing VM (both Player and Oracle), in both cases the USB 3.0 is tricky to get working on the host/VM.
Then the matter of which #SDR to use... Bleh....
#inmarsat #iridium #ACARS #raspberrypi #sdr