Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K0ITT callsign genealogy
Currently held by Calvin, Daniel P
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 K0ITT's current licensee, walking backwards.
- Calvin, Daniel PMOgranted 2026-02-06cancelled 2026-06-02
Successor callsigns
Callsigns held now by people who previously held K0ITT.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K0ITT, oldest first.
- DINTER, RUTH M IA2007-02-09 → cancelled 2019-04-09
- Calvin, Daniel P MO2026-06-02 active