Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KV4AK callsign genealogy
Currently held by GROHAL, THOMAS 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 KV4AK's current licensee, walking backwards.
- GROHAL, THOMAS Jcancelled 1999-06-14
Successor callsigns
Callsigns held now by people who previously held KV4AK.
No current licensee on record previously held this callsign.