Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K6RWC callsign genealogy
Currently held by ARMSTRONG, JOHN L
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 K6RWC's current licensee, walking backwards.
- CHASE, ROBERT WCAgranted 2013-07-17cancelled 2013-08-16
Successor callsigns
Callsigns held now by people who previously held K6RWC.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K6RWC, oldest first.
- ARMSTRONG, JOHN L CA1997-06-10 → cancelled 2009-06-11
- CHASE, ROBERT W CA2013-08-16 → cancelled 2025-08-19