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Callsign:  N3CHD
Class:  General
Name:  ZIMMERMAN, JOHN J
City:  POTOMAC
State:  MD
Zipcode:  20854
Status:  Active
Grant Date:  06/23/2016
Expires:  07/05/2026
Uls:  FCC Info

N3CHD - Ham operator in POTOMAC, MD
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