Confidence: Medium · Source: FCC ULS · As of 2026-09-14
AA4AQ callsign genealogy
Currently held by Ackermann, Rudolph P
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 AA4AQ's current licensee, walking backwards.
- KN4EYCcancelledMitre Northwest Florida Amateur Radio ClubFLgranted 2017-08-01cancelled 2017-10-24
Successor callsigns
Callsigns held now by people who previously held AA4AQ.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign AA4AQ, oldest first.
- Ackermann, Rudolph P NC2004-02-26 → cancelled 2016-05-18
- Mitre Northwest Florida Amateur Radio Club FL2017-10-24 active