Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KO4Q callsign genealogy
Currently held by PARRISH, CRAIG E
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 KO4Q's current licensee, walking backwards.
- COLLINS, ROBERT GFLgranted 2002-08-31cancelled 2006-03-31
Successor callsigns
Callsigns held now by people who previously held KO4Q.
- PARRISH, CRAIG EFLgranted 2024-01-20
All historical holders
Every license row we've seen with the callsign KO4Q, oldest first.
- PARRISH, CRAIG E FL1996-05-15 → cancelled 2004-03-06
- COLLINS, ROBERT G FL2026-01-28 active