Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WA4MDP callsign genealogy
Currently held by BARNETTE, GARRY M
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 WA4MDP's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held WA4MDP.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign WA4MDP, oldest first.
- BARNETTE, GARRY M SC1988-04-12 → cancelled 2000-04-13
- BARNETTE, GARRY M SC2025-03-12 active