Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AB1KF callsign genealogy
Currently held by Sorvari, John M
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 AB1KF's current licensee, walking backwards.
- Sorvari, John MMAgranted 2008-12-01cancelled 2009-02-27
Successor callsigns
Callsigns held now by people who previously held AB1KF.
- Sorvari, John MMAgranted 2019-02-28