Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KB1CKS callsign genealogy
Currently held by Steinberg, Cathy K
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 KB1CKS's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held KB1CKS.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KB1CKS, oldest first.
- LITTLEFIELD, WILLIAM A ME1998-06-12 → cancelled 2010-02-27
- Steinberg, Cathy K TX2024-09-17 active