Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KD1WC callsign genealogy
Currently held by HELMING, TIMOTHY C
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 KD1WC's current licensee, walking backwards.
- KA1ZJLno FCC ULS record on file
Successor callsigns
Callsigns held now by people who previously held KD1WC.
- HELMING, TIMOTHY CWAgranted 2020-02-03