Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W4AZD callsign genealogy
Currently held by Holmes, Donald S
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 W4AZD's current licensee, walking backwards.
- Holmes, Donald SALgranted 2021-04-10cancelled 2021-04-30
Successor callsigns
Callsigns held now by people who previously held W4AZD.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W4AZD, oldest first.
- ORR JR, PORTER B TN1995-02-10 → cancelled 2007-02-13
- Holmes, Donald S AL2021-04-30 active