Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KE4QMD callsign genealogy
Currently held by Gierhahn, Steven T
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 KE4QMD's current licensee, walking backwards.
- Gierhahn, Steven TFLgranted 2018-06-26cancelled 2018-07-14
Successor callsigns
Callsigns held now by people who previously held KE4QMD.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KE4QMD, oldest first.
- GIERHAHN, STEVEN T GA1994-09-09 → cancelled 2006-09-12
- Gierhahn, Steven T FL2018-07-14 active