Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N4AMD callsign genealogy
Currently held by GIES, STEPHEN C
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 N4AMD's current licensee, walking backwards.
- DELAPP, MICHAEL LVAgranted 2013-02-26cancelled 2016-04-05
Successor callsigns
Callsigns held now by people who previously held N4AMD.
- GIES, STEPHEN CGAgranted 2009-01-23cancelled 2021-01-26
All historical holders
Every license row we've seen with the callsign N4AMD, oldest first.
- GIES, STEPHEN C GA2007-08-23 → cancelled 2009-01-23
- DELAPP, MICHAEL L ID2026-02-26 active