Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W7CSM callsign genealogy
Currently held by Duplesis, MaryAnne
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 W7CSM's current licensee, walking backwards.
- Duplesis, MaryAnneWAgranted 2000-03-16cancelled 2000-04-04
Successor callsigns
Callsigns held now by people who previously held W7CSM.
No current licensee on record previously held this callsign.