Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WD1G callsign genealogy
Currently held by AOKI, JON R
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 WD1G's current licensee, walking backwards.
- AOKI, JON RUTgranted 2015-01-13cancelled 2020-07-07
Successor callsigns
Callsigns held now by people who previously held WD1G.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign WD1G, oldest first.
- NICOSIA, JOHN MA2010-01-06 → cancelled 2018-05-22
- AOKI, JON R UT2020-07-07 active