Hard to make out what all this used to say other than CAPITAL CITY...
HARRISBURG
TOWER
?O K.C. ??????
CAPITAL CITY
Also see airport diagram.
Capital City Airport (CXY)
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© Google Maps
By AlbinoFlea @ 2006-03-06 13:52:34
After that I can make out J ?? 5 M.C. The 5 M.C. would presumably be MHz, indicating a frequency of something else. JIP? JIB? JID?
Use of "K.C." and "M.C." would seem to make it a pretty antiquated marking.