I used Airomate and will try (already registered), but I don't know how exactly implement RDS directly into MPX signal...
Best option would be to send from UECP
Field testing is used during less populate hours. Otherwise we try not to disrupt but if the case is like RDS switching off for a few seconds, nobody will notice.
For other tests we use backup transmitter through dummy load before we make any changes.
Oh, about the 594 Khz... We had to take it down due to some complaints from nearby neighbours years ago. They heard us on telephone lines
Radio Cerkno was before, now is Odmev from 4pm-8pm and Primorski val from 8pm-4pm
I think that Airomate has LPT Remote control option
which version did you use? I used 2.11 with correct serial key but every minute or so it changed PS to _AIROMATE___DEMO___ and when I set AF or any non-free features it didn't aphear in RDS Spy
to send only RDS signal go to settings->audio and you have an option to send only RDS signal out (you then forward this (with VAC or something else virtual) to stereo tool and select use SCA Input as External RDS Input in FM Transmitter Menu:
maybe if you tell your AF Method B wish here: viewtopic.php?f=16&t=19832
it will be added some day (and I hope my other RDS wishes will make it into Stereo Tool someday)
as for 549khz if people heard you on their Telephone Lines its Telekoms fault not yours (can you still get an AM Licence nowadays (I wish you could reactivate AM TX again maybe add CQUAM Stereo and AMSS and brodcast with 10khz BW at daytime (unfortunately you can do that because AM Band is so empty
) and 5khz at night