USA  Check on March 6 at 01.23 UT in NY, FL and Edmonton Alb-CAN:
Heavy CODAR signal covers 4770 to 4801 kHz at -91dBm basic level, and some poor exciter(?) signal at 4798.998 kHz tiny -138.8 dBm
Noted in western Germany and Switzerland at 01.30 UT
4765even CUB  Progreso Bejucal -82dBm 50 kW exUSSR gear.
4790 nothing traced.
4840v    USA  WWCR -83dBm
4980even USA  WRMI -79dBm
5010even USA  WRMI -95dBm, but totally covered by UTE 5010.300 kHz
5024.996 CUB  Rebelde Bauta -75dBm
5040even CUB  RHC La Habana in French via Bauta -75dBm
5085even USA  WTWW -88dBm;  under threshold level.
73 wb df5sx