Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KI4DTC callsign genealogy
Currently held by Yarger, John W
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 KI4DTC's current licensee, walking backwards.
The current licensee has not held any other callsign on record.
Successor callsigns
Callsigns held now by people who previously held KI4DTC.
- Yarger, John WRIgranted 2005-07-12cancelled 2017-07-13