Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AC1KI callsign genealogy
Currently held by BALDONADO, BRENDAN 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 AC1KI's current licensee, walking backwards.
- BALDONADO, BRENDAN RMAgranted 2020-06-09cancelled 2020-11-04
Successor callsigns
Callsigns held now by people who previously held AC1KI.
- Baldonado, Brendan RMAgranted 2020-12-15