Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W0CSG callsign genealogy
Currently held by GRANAAS, CHET 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 W0CSG's current licensee, walking backwards.
- Granaas, Chet SMOgranted 2017-02-02cancelled 2017-10-11
Successor callsigns
Callsigns held now by people who previously held W0CSG.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W0CSG, oldest first.
- SCHMITZ, ANSLEY L MN1989-05-16 → cancelled 2001-05-17
- GRANAAS, CHET S WY2017-10-11 active