Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W9CSN callsign genealogy
Currently held by Annis, Sondra 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 W9CSN's current licensee, walking backwards.
- Annis, Sondra SIDgranted 2016-12-01cancelled 2016-12-30
Successor callsigns
Callsigns held now by people who previously held W9CSN.
No current licensee on record previously held this callsign.