Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KB9UBT callsign genealogy
Currently held by MC DERMOTT, 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 KB9UBT's current licensee, walking backwards.
- N2JKEcancelledcancelled 1999-02-02
Successor callsigns
Callsigns held now by people who previously held KB9UBT.
- MC DERMOTT, JOHN JILgranted 2013-04-11cancelled 2025-04-12