Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W4DQB callsign genealogy
Currently held by BULLIN, JACOB EMORY S
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 W4DQB's current licensee, walking backwards.
- BULLIN, JACOB EMORY SNCgranted 2020-07-20cancelled 2020-08-07
Successor callsigns
Callsigns held now by people who previously held W4DQB.
No current licensee on record previously held this callsign.