Radio Caroline 648 kHz.
“Our 648 AM was restored to full power (4kw) around 11.00 on Friday 1st April. Thank you for all your reports and comments.
For those of a technical nature who have enquired, it was a leaky zener diode forming part of a comparator circuit around the PA module interlocks causing errant PA shutdown/protection conditions. CR23 on the Mod Encoder board to be precise, if you happen to have a diagram of a DX25U to hand.”
Ydun Ritz (2022-04-02)