Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KB1HVO callsign genealogy
Currently held by Collis, Thomas E
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 KB1HVO's current licensee, walking backwards.
- Collis, Thomas EMAgranted 2001-12-21cancelled 2002-02-19
Successor callsigns
Callsigns held now by people who previously held KB1HVO.
- COLLIS, THOMAS EVAgranted 2022-11-18