Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N4MSC callsign genealogy
Currently held by ELSNER, WILLIAM
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 N4MSC's current licensee, walking backwards.
- Chipman, Michael SVAgranted 2019-11-06cancelled 2019-11-26
Successor callsigns
Callsigns held now by people who previously held N4MSC.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N4MSC, oldest first.
- ELSNER, WILLIAM GA1988-02-09 → cancelled 2000-02-10
- Chipman, Michael S VA2019-11-26 active