Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KB3PFJ callsign genealogy
Currently held by Roscoe, John W
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 KB3PFJ's current licensee, walking backwards.
- Roscoe, John WPAgranted 2006-09-20cancelled 2007-05-22
Successor callsigns
Callsigns held now by people who previously held KB3PFJ.
- Roscoe, John WPAgranted 2026-08-08