Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W1OPD callsign genealogy
Currently held by Campbell, Joseph
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 W1OPD's current licensee, walking backwards.
- Campbell, JosephRIgranted 2021-02-08cancelled 2023-02-28
Successor callsigns
Callsigns held now by people who previously held W1OPD.
No current licensee on record previously held this callsign.