Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N9OL callsign genealogy
Currently held by VAN VORST, JOHN C
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 N9OL's current licensee, walking backwards.
- VAN VORST, JOHN CINgranted 1999-03-18cancelled 2001-06-12
Successor callsigns
Callsigns held now by people who previously held N9OL.
No current licensee on record previously held this callsign.