Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KF4ZYI callsign genealogy
Currently held by MAUPIN, ANDY
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 KF4ZYI'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 KF4ZYI.
- MAUPIN, ANDYGAgranted 2008-08-01cancelled 2017-08-19