Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KA7TRL callsign genealogy
Currently held by STEPHEN, MICHAEL
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 KA7TRL's current licensee, walking backwards.
- Swart, Jacob HGAgranted 2021-12-22cancelled 2022-01-11
Successor callsigns
Callsigns held now by people who previously held KA7TRL.
- Swart, Jacob HGAgranted 2023-10-20
All historical holders
Every license row we've seen with the callsign KA7TRL, oldest first.
- STEPHEN, MICHAEL OR1995-04-27 → cancelled 2007-04-28
- Swart, Jacob H KY2022-01-11 → cancelled 2023-10-20