Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WA4YPB callsign genealogy
Currently held by DRIBNAK, JOHN M
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 WA4YPB's current licensee, walking backwards.
- DRIBNAK, JOHN MGAgranted 2025-05-08
Successor callsigns
Callsigns held now by people who previously held WA4YPB.
- DRIBNAK, JOHN MGAgranted 2025-05-08