Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N3MCS callsign genealogy
Currently held by MORRISON, JOHN S
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 N3MCS's current licensee, walking backwards.
- SHEHAN, MICHAEL CDEgranted 2016-11-15cancelled 2016-12-06
Successor callsigns
Callsigns held now by people who previously held N3MCS.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N3MCS, oldest first.
- MORRISON, JOHN S MD2002-06-07 → cancelled 2014-08-26
- SHEHAN, MICHAEL C DE2016-12-06 active