Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N0RZR callsign genealogy
Currently held by Suderman Jr, Andrew W
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 N0RZR's current licensee, walking backwards.
- Suderman Jr, Andrew WCOgranted 2020-03-11cancelled 2020-04-03
Successor callsigns
Callsigns held now by people who previously held N0RZR.
- BLANKLEY, KEITH LKSgranted 2012-03-14cancelled 2012-04-20
All historical holders
Every license row we've seen with the callsign N0RZR, oldest first.
- BLANKLEY, KEITH L KS2012-03-14 → cancelled 2012-03-14
- Suderman Jr, Andrew W CO2020-04-03 active