Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KI4DT callsign genealogy
Currently held by RICE, JAMES I
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 KI4DT's current licensee, walking backwards.
- TOMLINSON, DONNIE RFLgranted 2007-01-22cancelled 2009-04-21
Successor callsigns
Callsigns held now by people who previously held KI4DT.
- RICE, JAMES IGAgranted 1999-04-21cancelled 2011-04-22
All historical holders
Every license row we've seen with the callsign KI4DT, oldest first.
- TOMLINSON, DONNIE R FL2019-02-05 active
- RICE, JAMES I— → cancelled 1999-04-21