Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KC1HAN callsign genealogy
Currently held by Han, Billy
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 KC1HAN's current licensee, walking backwards.
- Han, BillyMAgranted 2019-12-13cancelled 2019-12-31
Successor callsigns
Callsigns held now by people who previously held KC1HAN.
- Beauchemin, Bruce AMAgranted 2017-05-31
All historical holders
Every license row we've seen with the callsign KC1HAN, oldest first.
- Beauchemin, Bruce A MA2017-02-16 → cancelled 2017-05-31
- Han, Billy MA2019-12-31 active