Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W4MSD callsign genealogy
Currently held by DOCKERY, MARK E
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 W4MSD's current licensee, walking backwards.
- DOCKERY, MARK EVAgranted 2021-12-20cancelled 2022-01-07
Successor callsigns
Callsigns held now by people who previously held W4MSD.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W4MSD, oldest first.
- TATUM, ROBERT E VA1987-12-01 → cancelled 1999-12-02
- Dovel, Matthew S VA2005-01-04 → cancelled 2017-01-05
- DOCKERY, MARK E VA2022-01-07 active