Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KG4DNE callsign genealogy
Currently held by Grezak, David P
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 KG4DNE's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held KG4DNE.
- Grezak, David PCOgranted 1999-06-02cancelled 2001-06-12
All historical holders
Every license row we've seen with the callsign KG4DNE, oldest first.
- GREZAK, DAVID P CO1999-06-02 → cancelled 2000-06-10
- Grezak, David P CO2026-07-29 active