Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N4TCR callsign genealogy
Currently held by Webb, Frederick 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 N4TCR's current licensee, walking backwards.
- RILEY, TIMOTHY CTNgranted 2015-04-10cancelled 2019-04-12
Successor callsigns
Callsigns held now by people who previously held N4TCR.
- Webb, Frederick WVAgranted 2023-07-08
All historical holders
Every license row we've seen with the callsign N4TCR, oldest first.
- Webb, Frederick W TX2002-05-28 → cancelled 2003-07-22
- RILEY, TIMOTHY C TN2019-04-12 active