Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AA9HM callsign genealogy
Currently held by Holland, Marc 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 AA9HM's current licensee, walking backwards.
- Holland, Marc JILgranted 2019-05-01cancelled 2019-06-11
Successor callsigns
Callsigns held now by people who previously held AA9HM.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign AA9HM, oldest first.
- COMPTON, ROBERT L IL1993-06-08 → cancelled 2005-06-09
- Holland, Marc J IL2019-06-11 active