Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KE4ML callsign genealogy
Currently held by COAN III, JOHN O
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 KE4ML's current licensee, walking backwards.
- WB4OLHno FCC ULS record on file
Successor callsigns
Callsigns held now by people who previously held KE4ML.
- COAN III, JOHNNCgranted 2018-09-25