Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KI4DNR callsign genealogy
Currently held by Communications Support Corp
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 KI4DNR'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 KI4DNR.
- W4EOTexpiredCommunications Support CorpNCgranted 2013-11-28cancelled 2026-03-06