Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AF7U callsign genealogy
Currently held by SOPER, ARTHUR 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 AF7U's current licensee, walking backwards.
- Rosanbalm, Michael WORgranted 2006-05-18cancelled 2006-08-04
Successor callsigns
Callsigns held now by people who previously held AF7U.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign AF7U, oldest first.
- SOPER, ARTHUR J GA1994-07-13 → cancelled 2006-07-14
- Rosanbalm, Michael W OR2016-07-13 active