Confidence: Medium · Source: FCC ULS · As of 2026-09-14
AA1AR callsign genealogy
Currently held by PIETROWSKY, MICHAEL J
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 AA1AR's current licensee, walking backwards.
- SAMBORSKI, BRUCE ACTgranted 2016-11-22cancelled 2024-08-27
Successor callsigns
Callsigns held now by people who previously held AA1AR.
- Pietrowsky, Michael JMAgranted 2020-01-31
All historical holders
Every license row we've seen with the callsign AA1AR, oldest first.
- PIETROWSKY, MICHAEL J MA2011-12-21 → cancelled 2020-01-31
- SAMBORSKI, BRUCE A CT2024-08-27 active