Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K5SGU callsign genealogy
Currently held by Schilling III, Ira R
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 K5SGU's current licensee, walking backwards.
- Schilling III, Ira ROKgranted 2018-02-22cancelled 2018-03-20
Successor callsigns
Callsigns held now by people who previously held K5SGU.
No current licensee on record previously held this callsign.