Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AC7TM callsign genealogy
Currently held by Hay, Michael E
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 AC7TM's current licensee, walking backwards.
- Hay, Michael EWAgranted 2020-02-26cancelled 2020-07-17
Successor callsigns
Callsigns held now by people who previously held AC7TM.
- Schliep, Johnathan WWAgranted 2022-10-20
All historical holders
Every license row we've seen with the callsign AC7TM, oldest first.
- Schliep, Johnathan W WA2001-08-10 → cancelled 2002-12-03
- Hay, Michael E WA2020-07-17 active