Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W1JOP callsign genealogy
Currently held by PRIMO, JOHN O
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 W1JOP's current licensee, walking backwards.
- PRIMO, JOHN OCTgranted 1999-01-11cancelled 2004-04-03
Successor callsigns
Callsigns held now by people who previously held W1JOP.
No current licensee on record previously held this callsign.