In the 1960s when there really still were clear channel stations I picked up WABC, WCBS, & WBZ loud & clear in Portland, Oregon. A total cross country DX and it was during the summer in August.
I also logged WCBS in the southern California desert in the 80s after KRVN signed off.
I also logged WCBS in the southern California desert in the 80s after KRVN signed off.