Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W1KSC callsign genealogy
Currently held by Claing, Karen 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 W1KSC's current licensee, walking backwards.
- Claing, Karen SCTgranted 2010-03-08cancelled 2010-05-21
Successor callsigns
Callsigns held now by people who previously held W1KSC.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W1KSC, oldest first.
- D AGOSTINO, PHILIP V CT1992-09-01 → cancelled 2004-09-02
- Claing, Karen S TN2020-03-04 active