Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K9ECS callsign genealogy
Currently held by SWIFT, EUGENE C
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 K9ECS's current licensee, walking backwards.
- SWIFT, EUGENE CILgranted 2008-08-04cancelled 2009-01-06
Successor callsigns
Callsigns held now by people who previously held K9ECS.
No current licensee on record previously held this callsign.