Confidence: Medium · Source: FCC ULS · As of 2026-09-09
KC4MRZ
ExpiredCARDO, CHARLES R
- Location
- TAMPA, FL
- Class
- Technician Plus
- Granted
- 1990-07-03
- Expires
- 2000-07-03
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Vanity availability
UnknownStatus unknown
No vanity-slot record on file for KC4MRZ. 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
- Holtzworth, Martha KKYgranted 2016-07-13cancelled 2025-08-15
License history
0 eventsNo recorded events.