THE STATION IS HAVING PROBLEMS WITH POWER MODULES IN THE TRANSMITTER FAILING. THREE OF THE FOUR POWER MODULES IN THE TRANSMITTER HAVE BEEN DAMAGED IN THE LAST SEVERAL WEEKS. EFFORTS ARE UNDERWAY TO DETERMINE THE SOURCE OF PROBLEM, SUCH AS INCOMING POWER BROWN OUTS OR SPIKES, OR THE ANTENNA VOLTAGE STANDING WAVE. UNTIL THE PROBLEM CAN BE RESOLVED, THE LICENSEE REQUESTS SPECIAL TEMPORARY AUTHORITY TO OPERATE AT 25% OF POWER. IT EXPECTS THE PROBLEM TO BE DIAGNOSED AND THE REPAIRS TO THE TRANSMITTER TO BE COMPLETED WITHIN THE NEXT 90 DAYS.