Confidence: Medium · Source: FCC ULS · As of 2026-09-10
KY4ZO
ActiveCHAPLESKI JR, ROBERT C
- Location
- KNOXVILLE, TN
- Class
- Amateur Extra
- Granted
- 2022-08-27
- Expires
- 2032-08-27
- Previous call
- KQ4CWZ
- FRN
- 0032761546
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Vanity availability
HeldCurrently held
KY4ZO is held by an active license; it isn't a vanity slot right now.
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
- CHAPLESKI JR, ROBERT CTNgranted 2022-08-27cancelled 2023-07-18
License history
0 eventsNo recorded events.