Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KT5RR callsign genealogy
Currently held by SPARKS, KENNETH 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 KT5RR's current licensee, walking backwards.
- KG5YAQcancelledTwigit Contest ClubTXgranted 2018-01-29cancelled 2021-02-17
Successor callsigns
Callsigns held now by people who previously held KT5RR.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KT5RR, oldest first.
- SPARKS, KENNETH B OK2007-10-19 → cancelled 2020-01-07
- Twigit Contest Club TX2021-02-17 active