Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KI4ZPK callsign genealogy
Currently held by Eckard, Michael O
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 KI4ZPK'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 KI4ZPK.
- ECKARD, MICHAEL OSCgranted 2017-08-25cancelled 2021-04-09