Confidence: Medium · Source: FCC ULS · As of 2026-09-14
AB1KR callsign genealogy
Currently held by SANTOS, MICHAEL F
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 AB1KR's current licensee, walking backwards.
- Bailey, Adam HCOgranted 2016-11-21cancelled 2018-06-08
Successor callsigns
Callsigns held now by people who previously held AB1KR.
- SANTOS, MICHAEL FRIgranted 2009-06-20cancelled 2021-06-22
All historical holders
Every license row we've seen with the callsign AB1KR, oldest first.
- SANTOS, MICHAEL F RI2009-05-12 → cancelled 2009-06-20
- Bailey, Adam H CO2018-06-08 active