Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KB0KGB callsign genealogy
Currently held by Martin, 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 KB0KGB's current licensee, walking backwards.
- Martin, John JMNgranted 2025-11-27cancelled 2025-12-16
Successor callsigns
Callsigns held now by people who previously held KB0KGB.
- Martin, John JMNgranted 2026-01-24
All historical holders
Every license row we've seen with the callsign KB0KGB, oldest first.
- ABEL, TAMBA L MN1992-05-12 → cancelled 2004-05-13
- Martin, John J MN2025-12-16 → cancelled 2026-01-24