WCAO means AM-600, Baltimore, Maryland, W Chesapeake And Ohio per the old Maryland-based railroad in Radio Stations
Similar to WCAO
HLBO - Call sign for Korean vessel No. 307 OyangIBFK - Iblea ship callsign
IBFU - Valencia ship callsign
IBFZ - Isola Gialla ship callsign
JFRB - JieFang RiBao Liberation Daily
K200AA - LPFM-87.9, Sun Valley, Nevada
K289AJ - LPFM-105.7, West Point, California
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