Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W3JUD callsign genealogy
Currently held by CROMPTON SR, RICHARD H
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 W3JUD's current licensee, walking backwards.
- Crompton, Edward EPAgranted 2019-02-08cancelled 2019-03-15
Successor callsigns
Callsigns held now by people who previously held W3JUD.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W3JUD, oldest first.
- CROMPTON SR, RICHARD H MD2003-10-22 → cancelled 2016-01-19
- Crompton, Edward E PA2019-03-15 active