Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KI5MA callsign genealogy
Currently held by Allison, Mark A
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 KI5MA's current licensee, walking backwards.
- Allison, Mark ATXgranted 2019-03-26cancelled 2021-06-07
Successor callsigns
Callsigns held now by people who previously held KI5MA.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KI5MA, oldest first.
- DUETT, LUTHER R TX2000-11-09 → cancelled 2013-02-06
- Allison, Mark A TX2021-06-07 active