Confidence: Medium · Source: FCC ULS · As of 2026-09-09
K4ABJ
ActiveHeeder, David M
- Location
- Melrose, FL
- Class
- General
- Granted
- 2018-10-30
- Expires
- 2028-10-30
- Previous call
- KK4ABJ
- FRN
- 0020571204
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Vanity availability
HeldCurrently held
K4ABJ 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
- Heeder, David MFLgranted 2011-02-03cancelled 2018-10-30
License history
0 eventsNo recorded events.