Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KC4BPU callsign genealogy
Currently held by FRIAS, JAIME
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 KC4BPU's current licensee, walking backwards.
- Snyder, DanielGAgranted 2019-01-30cancelled 2019-03-22
Successor callsigns
Callsigns held now by people who previously held KC4BPU.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KC4BPU, oldest first.
- FRIAS, JAIME FL1987-09-15 → cancelled 1999-09-16
- Snyder, Daniel CO2019-03-22 active