I am using a flightaware on a raspberry pi 3b+.
Tried to set up a feed to absd exchange and got the following message, so reporting as suggested for any help or suggestions.
Thank you.
adsbexchange-mlat service couldn’t be started, please report this error to the a                                                                                                 dsbexchange forum or discord.
Try an copy as much of the output above and include it in your report, thank you    Mar 03 20:09:12 piaware systemd[1]: Started adsbexchange-mlat.
Mar 03 20:09:14 piaware adsbexchange-mlat[12534]: usage: mlat-client [-h]
Mar 03 20:09:14 piaware adsbexchange-mlat[12534]:                    [–input-ty                                                                                                 pe {auto,dump1090,beast,radarcape_12mhz,radarcape_gps,radarcape,sbs,avrmlat}]
Mar 03 20:09:14 piaware adsbexchange-mlat[12534]:                    --input-con                                                                                                 nect INPUT_CONNECT [–results RESULTS]
Mar 03 20:09:14 piaware adsbexchange-mlat[12534]:                    [–no-anon-                                                                                                 results] [–no-modeac-results] --lat LAT --lon
Mar 03 20:09:14 piaware adsbexchange-mlat[12534]:                    LON --alt A                                                                                                 LT [–privacy] --user USER [–server SERVER]
Mar 03 20:09:14 piaware adsbexchange-mlat[12534]:                    [–no-udp]                                                                                                  Try an copy as much of the output above and include it in your report, thank you