Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KG4CEU callsign genealogy
Currently held by ALTMAN, FRANK K
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 KG4CEU's current licensee, walking backwards.
- ALTMAN, FRANK KNCgranted 2021-01-20cancelled 2021-02-09
Successor callsigns
Callsigns held now by people who previously held KG4CEU.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KG4CEU, oldest first.
- ALTMAN, FRANK K SC1999-03-03 → cancelled 2011-03-04
- ALTMAN, FRANK K NC2021-02-09 active