Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AD5HM callsign genealogy
Currently held by FOUNTAIN, ANDREW H
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 AD5HM's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held AD5HM.
- FOUNTAIN, ANDREW HMSgranted 2025-08-26