Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KB4RNO callsign genealogy
Currently held by Korhonen, Brandon
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 KB4RNO's current licensee, walking backwards.
- Korhonen, BrandonNVgranted 2026-06-23cancelled 2026-08-14
Successor callsigns
Callsigns held now by people who previously held KB4RNO.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KB4RNO, oldest first.
- BROWARD, MONTGOMERY M FL1997-10-30 → cancelled 2009-10-31
- Korhonen, Brandon NV2026-08-14 active