Confidence: Medium · Source: FCC ULS · As of 2026-09-10
KJ6OBF callsign genealogy
Currently held by Vaclavek, Jason 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 KJ6OBF's current licensee, walking backwards.
The current licensee has not held any other callsign on record.
Successor callsigns
Callsigns held now by people who previously held KJ6OBF.
- Vaclavek, JASON CCAgranted 2011-05-06cancelled 2012-03-20