Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KC4WKR callsign genealogy
Currently held by EISENHAUER, FRED R
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 KC4WKR'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 KC4WKR.
- EISENHAUER, FRED RTNgranted 2012-12-04cancelled 2025-02-26