Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K4BAY callsign genealogy
Currently held by Collins, John 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 K4BAY's current licensee, walking backwards.
- Collins, John JVAgranted 2000-10-07cancelled 2000-11-10
Successor callsigns
Callsigns held now by people who previously held K4BAY.
No current licensee on record previously held this callsign.