Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AF4QN callsign genealogy
Currently held by KROHN, GROVER F
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 AF4QN's current licensee, walking backwards.
- KROHN, GROVER FFLgranted 1996-01-11cancelled 1999-12-24
Successor callsigns
Callsigns held now by people who previously held AF4QN.
No current licensee on record previously held this callsign.