Confidence: Medium · Source: FCC ULS · As of 2026-09-14
NU4T callsign genealogy
Currently held by RENFROE JR, HOMER 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 NU4T's current licensee, walking backwards.
- KNIGHT, MATTHEW RKYgranted 2020-09-30cancelled 2021-06-29
Successor callsigns
Callsigns held now by people who previously held NU4T.
- Murray, William RTNgranted 2017-05-26cancelled 2021-07-17
All historical holders
Every license row we've seen with the callsign NU4T, oldest first.
- RENFROE JR, HOMER R GA1996-11-26 → cancelled 2004-12-27
- Murray, William R TN2007-04-17 → cancelled 2007-07-31
- Borders, Randy E GA2009-09-01 → cancelled 2019-06-10
- KNIGHT, MATTHEW R KY2021-06-29 active