Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N7TRK callsign genealogy
Currently held by CRENSHAW, BROOK TODD
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 N7TRK's current licensee, walking backwards.
- CRENSHAW, BROOK TODDTXgranted 2003-09-25cancelled 2006-06-23
Successor callsigns
Callsigns held now by people who previously held N7TRK.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N7TRK, oldest first.
- MAXON, KENNETH Y WA1991-08-27 → cancelled 2003-08-28
- CRENSHAW, BROOK TODD TX2026-06-11 active