Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W4MDX callsign genealogy
Currently held by WAGNER, EDWARD B
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 W4MDX's current licensee, walking backwards.
- Kirby, Heather CFLgranted 2012-11-08cancelled 2015-05-27
Successor callsigns
Callsigns held now by people who previously held W4MDX.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W4MDX, oldest first.
- WAGNER, EDWARD B TN2004-05-04 → cancelled 2015-01-19
- Kirby, Heather C FL2025-05-30 active