Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W9COG callsign genealogy
Currently held by CLEMANS, CHARLES C
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 W9COG's current licensee, walking backwards.
- CLEMANS, CARMEN KNCgranted 2018-06-18cancelled 2018-07-13
Successor callsigns
Callsigns held now by people who previously held W9COG.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W9COG, oldest first.
- CLEMANS, CHARLES C WI1987-10-06 → cancelled 1999-10-07
- CLEMANS, CARMEN K NC2018-07-13 active