Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W6KRM callsign genealogy
Currently held by MARTZEN, KENNETH R
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 W6KRM's current licensee, walking backwards.
- MARTZEN, KENNETH RCAgranted 1997-01-03cancelled 2000-08-15
Successor callsigns
Callsigns held now by people who previously held W6KRM.
- MARTZEN, KENNETH RCAgranted 2021-01-05