Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K4AAO callsign genealogy
Currently held by REYNOLDS, MADELL B
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 K4AAO's current licensee, walking backwards.
- KISER, TERESA RALgranted 2013-09-24cancelled 2019-04-30
Successor callsigns
Callsigns held now by people who previously held K4AAO.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K4AAO, oldest first.
- REYNOLDS, MADELL B VA2013-12-12 → cancelled 2018-08-17
- KISER, TERESA R AL2019-04-30 active