On Feb 14, 2010, at 1:57 PM, Dana Puopolo wrote: > DAs are routinely allowed for Class C (old class IV) stations as > long as the > station's deepest null does not exceed that of 250 watts Non D. Routinely, but only days. Night DAs are not allowed, period ... until KYPA:s application, now CP, which is for DA-1, same pattern all hours.