Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N5TWK callsign genealogy
Currently held by FRAZIER, KIMBERLY L
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 N5TWK's current licensee, walking backwards.
- FRAZIER, KIMBERLY LTXgranted 2014-10-16cancelled 2021-12-11
Successor callsigns
Callsigns held now by people who previously held N5TWK.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N5TWK, oldest first.
- FRAZIER, EARL E TX2011-03-21 → cancelled 2020-12-07
- FRAZIER, KIMBERLY L TX2021-12-11 active