Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KG4JJU callsign genealogy
Currently held by WALLACE, ROGER A
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 KG4JJU's current licensee, walking backwards.
- WALLACE, ROGER ANCgranted 2016-03-21cancelled 2016-06-04
Successor callsigns
Callsigns held now by people who previously held KG4JJU.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KG4JJU, oldest first.
- WALLACE, ROGER A NC2000-09-07 → cancelled 2012-09-08
- WALLACE, ROGER A ID2016-06-04 active