Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AL7HD callsign genealogy
Currently held by CAST, LARRY
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 AL7HD's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held AL7HD.
No current licensee on record previously held this callsign.