Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AF4TY callsign genealogy
Currently held by Kasselberg, A G
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 AF4TY's current licensee, walking backwards.
- KASSELBERG, A GTNgranted 1995-10-04cancelled 2000-05-17
- KF4CWUno FCC ULS record on file
Successor callsigns
Callsigns held now by people who previously held AF4TY.
No current licensee on record previously held this callsign.