Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WB4UGG callsign genealogy
Currently held by Rowland, John D
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 WB4UGG's current licensee, walking backwards.
- RIVERS, TOM ENCgranted 2013-04-09cancelled 2015-04-28
Successor callsigns
Callsigns held now by people who previously held WB4UGG.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign WB4UGG, oldest first.
- Rowland, John D GA2008-01-25 → cancelled 2014-12-13
- RIVERS, TOM E NC2025-03-15 active