Confidence: Medium · Source: FCC ULS · As of 2026-09-14
NR6U callsign genealogy
Currently held by Warden, Collin 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 NR6U's current licensee, walking backwards.
- Warden, Collin RNCgranted 2018-06-13cancelled 2019-09-04
Successor callsigns
Callsigns held now by people who previously held NR6U.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign NR6U, oldest first.
- EDGAR, FREDERICK O IL2007-12-07 → cancelled 2017-08-11
- Warden, Collin R VA2019-09-04 active