Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N7TUF callsign genealogy
Currently held by CAMPBELL, RICHARD K
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 N7TUF's current licensee, walking backwards.
- Campbell, JefferyAZgranted 2023-07-04cancelled 2023-07-25
Successor callsigns
Callsigns held now by people who previously held N7TUF.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N7TUF, oldest first.
- CAMPBELL, RICHARD K AZ2001-09-05 → cancelled 2013-09-06
- Campbell, Jeffery AZ2023-07-25 active