Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W4GIZ callsign genealogy
Currently held by GISSENDANER, JACKSON E
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 W4GIZ's current licensee, walking backwards.
- GISSENDANER, JACKSON EFLgranted 2023-09-07
Successor callsigns
Callsigns held now by people who previously held W4GIZ.
- GISSENDANER, JACKSON EFLgranted 2023-09-07