Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K4AMH callsign genealogy
Currently held by Hainen, Alexander
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 K4AMH's current licensee, walking backwards.
- Hainen, Alexander MMIgranted 2013-08-28cancelled 2014-06-24
Successor callsigns
Callsigns held now by people who previously held K4AMH.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K4AMH, oldest first.
- SMITH, ARCHIE J SC1996-07-30 → cancelled 2008-07-31
- Hainen, Alexander AL2025-04-02 active