Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K4EIR callsign genealogy
Currently held by MIGUEL, ANTOMINO
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 K4EIR's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held K4EIR.
- SWAINE, ROBERT FAZgranted 2017-04-04
All historical holders
Every license row we've seen with the callsign K4EIR, oldest first.
- MIGUEL, ANTOMINO NC1997-03-20 → cancelled 2009-03-21
- SWAINE, ROBERT F AZ2014-09-30 → cancelled 2017-04-04