Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KA4HCL callsign genealogy
Currently held by MILLER, MICHAEL L
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 KA4HCL's current licensee, walking backwards.
- MILLER, MICHAEL LSCgranted 2024-11-22cancelled 2024-12-21
Successor callsigns
Callsigns held now by people who previously held KA4HCL.
No current licensee on record previously held this callsign.