Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KD4IIX callsign genealogy
Currently held by Korich, Frederick M
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 KD4IIX's current licensee, walking backwards.
- Korich, Frederick MVAgranted 2001-11-27cancelled 2002-08-28
Successor callsigns
Callsigns held now by people who previously held KD4IIX.
- Korich, Frederick MVAgranted 2001-11-27cancelled 2002-08-28
All historical holders
Every license row we've seen with the callsign KD4IIX, oldest first.
- Korich, Frederick M VA2001-11-27 → cancelled 2002-08-03
- Korich, Frederick M VA2022-08-16 active