Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KA2HEM callsign genealogy
Currently held by Halsaver, Michael 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 KA2HEM's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held KA2HEM.
- Halsaver, Michael AOHgranted 2022-11-08
All historical holders
Every license row we've seen with the callsign KA2HEM, oldest first.
- HALSAVER, CLAUDE A NY2006-06-21 → cancelled 2018-09-18
- Halsaver, Michael A OH2020-04-21 → cancelled 2022-11-08