Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K4CBY callsign genealogy
Currently held by Swan, Steve E
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 K4CBY's current licensee, walking backwards.
- Swan, Steve EKSgranted 2020-12-09cancelled 2020-12-29
Successor callsigns
Callsigns held now by people who previously held K4CBY.
- Swan, Steve EKSgranted 2024-05-03