UK transmitter data:

TxParamsAM.csv. TxParamsDAB.csv, TxParamsVHF.csv - https://www.ofcom.org.uk/spectrum/information/radio-tech-parameters

700-plan-clearance.xlsx - https://www.ofcom.org.uk/spectrum/information/transmitter-frequency

French transmitter data:

sites-DAB-TII-v0.10.csv - https://extranet.arcom.fr/radio/index.php