Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WZ1MCS callsign genealogy
Currently held by Shell, Martin
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 WZ1MCS's current licensee, walking backwards.
- Shell, MartinMAgranted 2021-04-16cancelled 2021-05-27
Successor callsigns
Callsigns held now by people who previously held WZ1MCS.
- Shell, MartinMAgranted 2021-04-16cancelled 2021-05-27