Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W3BUD callsign genealogy
Currently held by Fritz, Earl 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 W3BUD's current licensee, walking backwards.
- Brosnan, JohnPAgranted 2020-07-28cancelled 2020-09-29
Successor callsigns
Callsigns held now by people who previously held W3BUD.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W3BUD, oldest first.
- Fritz, Earl S PA2007-07-25 → cancelled 2019-10-08
- Brosnan, John PA2020-09-29 active