Jamming?
Now at 2010 utc, IRIB Khalj-E Fars on 693 kHz is off, IRIB Bushehr on 1305 is off, on it’s second frequency, 738 kHz there is silent carrier only. Jamming (buzzing) sound observed on 558 kHz, no idea there is a jamming signal or a fault of an R. Iran transmitter.
Audio from 558 kHz:
https://voca.ro/11Q1DnljA1AM
Tringer László HNG (2026-03-16)