Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KF4AAB callsign genealogy
Currently held by Howell Sr, Christopher T
The FCC publishes a previous_call_sign on
every amateur license — a self-link to the licensee's prior callsign.
Following those links produces the chain below.
Previous callsigns
Older callsigns held by KF4AAB's current licensee, walking backwards.
- Howell, Christopher TALgranted 2018-05-23cancelled 2018-06-12
Successor callsigns
Callsigns held now by people who previously held KF4AAB.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KF4AAB, oldest first.
- HOWELL, CHRISTOPHER T AL2005-04-16 → cancelled 2017-05-13
- Howell Sr, Christopher T AL2018-06-12 active