Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W7EKM callsign genealogy
Currently held by Johnson, John A
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 W7EKM's current licensee, walking backwards.
- Johnson, Michael WWAgranted 2006-10-03cancelled 2009-06-02
Successor callsigns
Callsigns held now by people who previously held W7EKM.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W7EKM, oldest first.
- Johnson, John A WA2004-01-21 → cancelled 2007-07-17
- Johnson, Michael W WA2019-03-20 active