Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AF5AH callsign genealogy
Currently held by Harman, Michael D
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 AF5AH's current licensee, walking backwards.
- Harman, Michael DTXgranted 2002-06-04cancelled 2011-10-20
Successor callsigns
Callsigns held now by people who previously held AF5AH.
No current licensee on record previously held this callsign.