Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AA4ZD callsign genealogy
Currently held by Skala, James 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 AA4ZD's current licensee, walking backwards.
- Skala, James LKYgranted 2022-02-28
Successor callsigns
Callsigns held now by people who previously held AA4ZD.
- Skala, James LKYgranted 2022-02-28