Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KB4CDL callsign genealogy
Currently held by Boylston 575, Cayden W
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 KB4CDL's current licensee, walking backwards.
- Boylston SR, Cayden WGAgranted 2009-04-27cancelled 2009-07-17
Successor callsigns
Callsigns held now by people who previously held KB4CDL.
No current licensee on record previously held this callsign.