Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WM3E callsign genealogy
Currently held by Greenbaum, Carl 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 WM3E's current licensee, walking backwards.
- Greenbaum, Carl GMAgranted 2001-11-20cancelled 2002-03-21
Successor callsigns
Callsigns held now by people who previously held WM3E.
- MARKIS, DANIEL JCAgranted 2016-11-03