Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W3OWL callsign genealogy
Currently held by Frantz, William
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 W3OWL's current licensee, walking backwards.
- Frantz, Robert WPAgranted 2000-06-08cancelled 2000-07-18
Successor callsigns
Callsigns held now by people who previously held W3OWL.
No current licensee on record previously held this callsign.