Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KB4AY callsign genealogy
Currently held by GAYHARTT, HOMER
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 KB4AY's current licensee, walking backwards.
- BREEDLOVE, MARTIN JKYgranted 2024-07-10cancelled 2025-05-10
Successor callsigns
Callsigns held now by people who previously held KB4AY.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KB4AY, oldest first.
- GAYHARTT, HOMER FL1988-03-01 → cancelled 2000-03-02
- BREEDLOVE, MARTIN J KY2025-05-10 active