Confidence: Medium · Source: FCC ULS · As of 2026-09-14
AA8TT callsign genealogy
Currently held by Petrekovich, Mark A
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 AA8TT's current licensee, walking backwards.
- Petrekovich, Mark AOHgranted 2016-01-28cancelled 2016-06-01
Successor callsigns
Callsigns held now by people who previously held AA8TT.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign AA8TT, oldest first.
- MERRITT, JOHN S MI2004-02-12 → cancelled 2015-10-06
- Petrekovich, Mark A OH2026-06-04 active