Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KC0HDU callsign genealogy
Currently held by Pych, Jeffrey 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 KC0HDU'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 KC0HDU.
- Pych, Jeffrey RCOgranted 2000-01-29cancelled 2000-03-03