PSU faults caused RF access problem
5 Feb 2009
It was brought to my attention that people may have been struggling to get into GB7IMK via the RF user ports this week. A check of the equipment found that the PSU supplying the radios had developed a fault, resulting in an audible buzz on my receivers.
The PSU had been swapped for a smaller backup and so things should be back to normal. Now to search for a circuit diagram for a Daiwa PS-313 Mk. II 30A variable voltage PSU.