Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K6OLB callsign genealogy
Currently held by ROSAMOND, BRIAN N
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 K6OLB's current licensee, walking backwards.
- rosamond, anthony bCAgranted 2023-08-09cancelled 2023-08-29
Successor callsigns
Callsigns held now by people who previously held K6OLB.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K6OLB, oldest first.
- ROSAMOND, BRIAN N CA2001-01-31 → cancelled 2013-01-09
- rosamond, anthony b CA2023-08-29 active