Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W4IID callsign genealogy
Currently held by Heath, David 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 W4IID's current licensee, walking backwards.
- Heath, David LALgranted 2024-02-23
Successor callsigns
Callsigns held now by people who previously held W4IID.
- Heath, David LALgranted 2024-02-23