Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W7RCZ callsign genealogy
Currently held by Knudsen, Chris J
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 W7RCZ's current licensee, walking backwards.
- Knudsen, Chris JWAgranted 2017-01-25cancelled 2017-02-22
Successor callsigns
Callsigns held now by people who previously held W7RCZ.
No current licensee on record previously held this callsign.