Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KO1H callsign genealogy
Currently held by SEXTON, JOHN 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 KO1H's current licensee, walking backwards.
- Sexton, John GRIgranted 2002-05-14cancelled 2004-03-31
Successor callsigns
Callsigns held now by people who previously held KO1H.
- QUINN JR, PETER CMAgranted 2016-09-21