frcradio said:--- After KHLO faded out I checked for other stations but heard nothing usual. - - - correct that to read " unusual "
I realize that this path at 850 kHz./1kW would be extremely difficult even on a winter night during a low sun spot year,
and normally impossible during the day, but I'm sure of what I heard. Sometimes strange things happen propagation wise.
Obviously a strange phenomenon. Great catch!