Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W4MRD callsign genealogy
Currently held by Saunders, Charlie H
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 W4MRD's current licensee, walking backwards.
- Depin, Matthew RFLgranted 2024-10-08cancelled 2024-11-15
Successor callsigns
Callsigns held now by people who previously held W4MRD.
- LONG, CHARLES ATNgranted 2006-06-06cancelled 2018-08-30
All historical holders
Every license row we've seen with the callsign W4MRD, oldest first.
- Saunders, Charlie H FL2012-02-11 → cancelled 2024-03-30
- Depin, Matthew R FL2024-11-15 active