Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KG4DDB callsign genealogy
Currently held by DEBOER, DANIEL
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 KG4DDB's current licensee, walking backwards.
- DEBOER, DANIELALgranted 2024-05-29cancelled 2024-07-19
Successor callsigns
Callsigns held now by people who previously held KG4DDB.
- DEBOER, DANIELALgranted 2025-12-09
All historical holders
Every license row we've seen with the callsign KG4DDB, oldest first.
- GRUMBEIN, KIMBERLY L NC1999-05-05 → cancelled 2011-05-06
- DEBOER, DANIEL AL2024-07-19 → cancelled 2025-12-09