Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W7MPD callsign genealogy
Currently held by Lockhart, Charles 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 W7MPD's current licensee, walking backwards.
- MARTIN, DANIEL PORgranted 2017-06-24cancelled 2018-09-18
Successor callsigns
Callsigns held now by people who previously held W7MPD.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W7MPD, oldest first.
- Lockhart, Charles E WA2006-06-06 → cancelled 2018-08-30
- MARTIN, DANIEL P OR2018-09-18 active