Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W3PRO callsign genealogy
Currently held by Peninsula Radio Operators Society
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 W3PRO's current licensee, walking backwards.
- KB3JGMcancelledPeninsula Radio Operators SocietyMDgranted 2003-03-12cancelled 2003-04-05
Successor callsigns
Callsigns held now by people who previously held W3PRO.
No current licensee on record previously held this callsign.