Unid

I think I did hear Arabic talking ? down under a Spain station on 900 khz and yes the same ” non-modulated carrier wave ”  wonder what it can be cause I do not understand why a station dos get a non-modulated carrier wave when the do not transmit modulation  ? 

signal off air now oct ,23 th , 2022 at  23h28 UTC SDR Twente (The Netherlands) on line receiver tune 900 khz 
http://websdr.ewi.utwente.nl:8901/?tune=900am

Herman Content BEL (2022-10-12)