Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K4ERM callsign genealogy
Currently held by Melde, Erich R
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 K4ERM's current licensee, walking backwards.
- Melde, Erich RNCgranted 2014-02-07cancelled 2015-11-14
Successor callsigns
Callsigns held now by people who previously held K4ERM.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K4ERM, oldest first.
- GREULICH, ALPHONS H FL1996-06-20 → cancelled 2008-06-21
- Melde, Erich R NC2025-11-29 active