Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WA7J callsign genealogy
Currently held by LUBON, JOHN
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 WA7J's current licensee, walking backwards.
- Mercer, Julie AWAgranted 2006-10-31cancelled 2007-11-14
Successor callsigns
Callsigns held now by people who previously held WA7J.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign WA7J, oldest first.
- LUBON, JOHN WA1997-02-03 → cancelled 2005-03-16
- Mercer, Julie A WA2017-08-21 active