Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KB8HAM callsign genealogy
Currently held by OLSEN, LOUIS B
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 KB8HAM's current licensee, walking backwards.
- BACHELLER, BERTHA LMIgranted 1996-01-12cancelled 2003-07-15
Successor callsigns
Callsigns held now by people who previously held KB8HAM.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KB8HAM, oldest first.
- OLSEN, LOUIS B OH1989-04-25 → cancelled 2001-04-26
- BACHELLER, BERTHA L MI2013-04-23 → cancelled 2025-07-16