Confidence: Medium · Source: FCC ULS · As of 2026-09-16
KG4FIZ callsign genealogy
Currently held by JACHNA, MARY ANN I
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 KG4FIZ's current licensee, walking backwards.
- JACHNA, MARY ANN IKYgranted 1994-01-18cancelled 1999-11-19
Successor callsigns
Callsigns held now by people who previously held KG4FIZ.
No current licensee on record previously held this callsign.