Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W1JJB callsign genealogy
Currently held by Brewer, John J
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 W1JJB's current licensee, walking backwards.
- Brewer, John JTNgranted 2001-03-28cancelled 2010-11-09
Successor callsigns
Callsigns held now by people who previously held W1JJB.
No current licensee on record previously held this callsign.