@mattblaze I love DXing for stations. The twilight time before power is decreased is the best time, especially (as you say) in the winter.680 is interesting to me as 680 CJOB in Winnipeg has operated since 1957 and since 1978 has been at 50 kW. en.m.wikipedia.org/wiki/680_AM and related CJOB article have details.AM is seeing some protections for emergency use. See the bill about requiring it in cars: en.m.wikipedia.org/wiki/AM_bro