Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N5MDS callsign genealogy
Currently held by MD Star Organization
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 N5MDS's current licensee, walking backwards.
- KE5LFKcancelledMD Star OrganizationTXgranted 2006-11-03cancelled 2008-01-25
Successor callsigns
Callsigns held now by people who previously held N5MDS.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N5MDS, oldest first.
- HART, WILLIAM L MS1994-05-03 → cancelled 2006-05-04
- MD Star Organization TX2018-02-20 active