Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KD4IEM callsign genealogy
Currently held by GRIMES, DAVID G
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 KD4IEM's current licensee, walking backwards.
- Grimes, David GFLgranted 2015-12-29cancelled 2016-06-11
Successor callsigns
Callsigns held now by people who previously held KD4IEM.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KD4IEM, oldest first.
- GRIMES, DAVID G VA1991-12-24 → cancelled 2003-12-25
- Grimes, David G FL2016-06-11 active