Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W4OWL callsign genealogy
Currently held by BARRED OWL RADIO CLUB
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 W4OWL's current licensee, walking backwards.
- KM4UZBcancelledBARRED OWL RADIO CLUBVAgranted 2016-06-30cancelled 2016-07-19
Successor callsigns
Callsigns held now by people who previously held W4OWL.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W4OWL, oldest first.
- JOHNSON, ROBERT J FL2004-01-28 → cancelled 2016-04-20
- BARRED OWL RADIO CLUB VA2016-07-19 active