Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KR4QI callsign genealogy
Currently held by Tompkins, Robert S
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 KR4QI's current licensee, walking backwards.
The current licensee has not held any other callsign on record.
Successor callsigns
Callsigns held now by people who previously held KR4QI.
- TOMPKINS, ROBERT SAZgranted 2023-05-27