Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N0CCW callsign genealogy
Currently held by RIDENOUR, HARRY E
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 N0CCW's current licensee, walking backwards.
- Pfeiffer, Brian CMNgranted 2014-11-06cancelled 2016-07-12
Successor callsigns
Callsigns held now by people who previously held N0CCW.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N0CCW, oldest first.
- RIDENOUR, HARRY E TX1994-09-12 → cancelled 2006-09-13
- Pfeiffer, Brian C MN2026-05-19 active