Confidence: Medium · Source: FCC ULS · As of 2026-09-09
N4ZIP
ExpiredSHANKLES, CHARLES T
- Location
- KNOXVILLE, TN
- Class
- Technician
- Granted
- 2010-03-08
- Expires
- 2020-06-05
- Previous call
- KC4PNA
- FRN
- 0002651206
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Vanity availability
UnknownStatus unknown
No vanity-slot record on file for N4ZIP. Either it has never been issued, is currently held by an active license, or hasn't been re-computed since its last freeing event.
Vanity availability dates are computed from FCC §97.19's hold periods: 2 years from the cancellation date for cancelled or terminated licenses, 4 years from the expiration date for expired licenses (2-year renewal grace + 2-year hold).
Callsign genealogy
Full chain →Previously held by current licensee
- Zipper, Neal RFLgranted 2014-02-24cancelled 2022-11-04
- KD4EGEno FCC ULS record on file
License history
0 eventsNo recorded events.