Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K6LUK callsign genealogy
Currently held by MASUMURA, ROBERT A
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 K6LUK's current licensee, walking backwards.
- MASUMURA, ROBERT AVAgranted 2011-06-13cancelled 2014-08-19
Successor callsigns
Callsigns held now by people who previously held K6LUK.
No current licensee on record previously held this callsign.