Prior to the January 1923 establishment of the Mississippi River as the boundary, call letters beginning with "W" were generally assigned to stations east of an irregular line formed by the western state borders from North Dakota south to Texas, with calls beginning with "K" going only to stations in states west of that line.
On November 11, 1928, the Federal Radio Commission made a major reallocation under its General Order 40, which assigned WCAT to 1200 kHz, with a power of 100 watts.
[6] In 1936, WCAT was reported to be temporarily off the air, while upgraded studios and transmission facilities were being constructed, with a schedule of "one hour daily except Sunday".
The local newspaper, reporting WCAT's demise, stated that "The Federal Communications Commission issued an edict.
Unable to fulfill this requirement, "Tired, worn out equipment and a lack of funds have finally silenced the old timer.