Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K5CTW callsign genealogy
Currently held by BLANN, TILLMAN B
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 K5CTW's current licensee, walking backwards.
- Kirby, Christopher PTXgranted 2022-08-23cancelled 2023-02-18
Successor callsigns
Callsigns held now by people who previously held K5CTW.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K5CTW, oldest first.
- BLANN, TILLMAN B AR2005-05-28 → cancelled 2017-07-19
- Kirby, Christopher P TX2023-02-18 active