Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W4DIG callsign genealogy
Currently held by WNLINK Work Group
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 W4DIG's current licensee, walking backwards.
- KO4QAIcancelledWNLINK Work GroupFLgranted 2021-05-04cancelled 2021-05-25
Successor callsigns
Callsigns held now by people who previously held W4DIG.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W4DIG, oldest first.
- GREENHILL, DON I KY2008-02-09 → cancelled 2020-03-19
- WNLINK Work Group FL2021-05-25 active