Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KK7IFZ callsign genealogy
Currently held by Knapp, Joseph W
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 KK7IFZ'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 KK7IFZ.
- KNAPP, JOSEPH WORgranted 2023-07-11cancelled 2026-05-16