Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KZ4IG callsign genealogy
Currently held by Zeissig, Konstantin
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 KZ4IG's current licensee, walking backwards.
- Zeissig, KonstantinGAgranted 2017-10-13cancelled 2018-02-13
Successor callsigns
Callsigns held now by people who previously held KZ4IG.
- Zeissig, KonstantinGAgranted 2023-08-25