Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KR9TX callsign genealogy
Currently held by REED, KIB M
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 KR9TX's current licensee, walking backwards.
- REED, KIB MTXgranted 2018-03-22cancelled 2018-11-03
Successor callsigns
Callsigns held now by people who previously held KR9TX.
All historical holders
Every license row we've seen with the callsign KR9TX, oldest first.
- Bills, Clifford J IL2010-01-22 → cancelled 2010-03-27
- REED, KIB M TX2018-11-03 → cancelled 2018-11-24