Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K6LUM callsign genealogy
Currently held by Lum, Ronald
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 K6LUM's current licensee, walking backwards.
- Lum, RonaldCAgranted 2019-03-25cancelled 2019-10-25
Successor callsigns
Callsigns held now by people who previously held K6LUM.
No current licensee on record previously held this callsign.