Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AB3TR callsign genealogy
Currently held by Stroup, Gregory J
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 AB3TR's current licensee, walking backwards.
- Stroup, Gregory JPAgranted 2012-06-11cancelled 2014-02-06
Successor callsigns
Callsigns held now by people who previously held AB3TR.
No current licensee on record previously held this callsign.