Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AB0GT callsign genealogy
Currently held by Larson, Leslie 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 AB0GT's current licensee, walking backwards.
- SIMS, JOHN CMOgranted 2013-05-07cancelled 2018-02-27
Successor callsigns
Callsigns held now by people who previously held AB0GT.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign AB0GT, oldest first.
- Larson, Leslie B MN2003-10-10 → cancelled 2015-12-29
- SIMS, JOHN C OH2018-02-27 active