Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KR4SQ callsign genealogy
Currently held by DOMINGUEZ, GERMAN
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 KR4SQ's current licensee, walking backwards.
- KD4MGKno FCC ULS record on file
Successor callsigns
Callsigns held now by people who previously held KR4SQ.
- DOMINGUEZ, GERMANPRgranted 2019-10-26