Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KB5A callsign genealogy
Currently held by OLIVER, JOHN 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 KB5A's current licensee, walking backwards.
- KC5QZIcancelledMETROCREST AMATEUR RADIO SOCIETYTXgranted 1995-09-21cancelled 2002-05-14
Successor callsigns
Callsigns held now by people who previously held KB5A.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KB5A, oldest first.
- OLIVER, JOHN W TX1994-03-22 → cancelled 1994-04-29
- METROCREST AMATEUR RADIO SOCIETY TX2022-04-15 active