Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W4CYN callsign genealogy
Currently held by Baker, Cynthia J
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 W4CYN's current licensee, walking backwards.
- Baker, Cynthia JSCgranted 2017-10-03cancelled 2017-10-21
Successor callsigns
Callsigns held now by people who previously held W4CYN.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W4CYN, oldest first.
- CALLAHAN, WILLIAM H NC1988-10-04 → cancelled 2000-10-05
- Baker, Cynthia J SC2017-10-21 active