Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K1AOS callsign genealogy
Currently held by mc Allister, John
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 K1AOS's current licensee, walking backwards.
- Salom, Alexis OFLgranted 2021-02-16cancelled 2021-03-09
Successor callsigns
Callsigns held now by people who previously held K1AOS.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K1AOS, oldest first.
- mc Allister, John RI2006-06-06 → cancelled 2018-08-15
- Salom, Alexis O FL2021-03-09 active