Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K4AYC callsign genealogy
Currently held by SPEARS, COLLEEN H
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 K4AYC's current licensee, walking backwards.
- Spears, Colleen HTNgranted 2003-06-18cancelled 2005-04-15
Successor callsigns
Callsigns held now by people who previously held K4AYC.
No current licensee on record previously held this callsign.