Confidence: Medium · Source: FCC ULS · As of 2026-09-14
WB0MZJ callsign genealogy
Currently held by WALLINGFORD, E KEITH
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 WB0MZJ's current licensee, walking backwards.
- WALLINGFORD, JULIANNA MCOgranted 2000-01-22cancelled 2004-05-14
- KB0GBWno FCC ULS record on file
Successor callsigns
Callsigns held now by people who previously held WB0MZJ.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign WB0MZJ, oldest first.
- WALLINGFORD, E KEITH CO1997-04-25 → cancelled 2003-01-24
- WALLINGFORD, JULIANNA M CO2014-04-17 → cancelled 2026-05-15