Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KC7ECL callsign genealogy
Currently held by JOHNSON, JEFFERY S
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 KC7ECL's current licensee, walking backwards.
- Johnson, Jeffery SCOgranted 2025-08-12cancelled 2025-09-05
Successor callsigns
Callsigns held now by people who previously held KC7ECL.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KC7ECL, oldest first.
- JOHNSON, JEFFERY S AZ1994-07-14 → cancelled 2006-07-15
- Johnson, Jeffery S CO2025-09-05 active