Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AB4RS callsign genealogy
Currently held by THOMASSON, DANIEL 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 AB4RS's current licensee, walking backwards.
- Smith, Ralph NCAgranted 2005-03-11cancelled 2008-03-18
Successor callsigns
Callsigns held now by people who previously held AB4RS.
- THOMASSON, DANIEL ENCgranted 2019-01-30
All historical holders
Every license row we've seen with the callsign AB4RS, oldest first.
- Smith, Ralph N VA2017-12-27 active
- THOMASSON, DANIEL E— → cancelled 1999-03-25