Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KT0R callsign genealogy
Currently held by RANNEY, DAVID E
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 KT0R's current licensee, walking backwards.
- KD0BSEcancelledMidwest Contest GroupMNgranted 2007-10-01cancelled 2007-11-06
Successor callsigns
Callsigns held now by people who previously held KT0R.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KT0R, oldest first.
- RANNEY, DAVID E MN2007-03-13 → cancelled 2007-09-18
- Midwest Contest Group MN2017-08-30 active