Confidence: Medium · Source: FCC ULS · As of 2026-09-14
AG1U callsign genealogy
Currently held by MC KENZIE, GERALDINE E
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 AG1U's current licensee, walking backwards.
- Prinz, Ulrich KFLgranted 2019-03-11cancelled 2020-05-12
Successor callsigns
Callsigns held now by people who previously held AG1U.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign AG1U, oldest first.
- MC KENZIE, GERALDINE E FL2008-01-17 → cancelled 2020-04-04
- Prinz, Ulrich K FL2020-05-12 active