Confidence: Medium · Source: FCC ULS · As of 2026-09-14
AG5XX callsign genealogy
Currently held by PREISLER, JAN
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 AG5XX's current licensee, walking backwards.
- HALL, DAVID STXgranted 2023-07-21cancelled 2025-06-14
Successor callsigns
Callsigns held now by people who previously held AG5XX.
- PREISLER, JANTXgranted 2020-05-01
All historical holders
Every license row we've seen with the callsign AG5XX, oldest first.
- PREISLER, JAN TX2013-03-29 → cancelled 2020-05-01
- HALL, DAVID S TX2025-06-14 active