Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KC0KLB callsign genealogy
Currently held by Sagamang, David J
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 KC0KLB's current licensee, walking backwards.
- BUTLER, KEVIN LKSgranted 2022-11-29cancelled 2022-12-17
Successor callsigns
Callsigns held now by people who previously held KC0KLB.
- SAGAMANG, DAVID JKSgranted 2019-04-02
All historical holders
Every license row we've seen with the callsign KC0KLB, oldest first.
- Sagamang, David J KS2001-04-18 → cancelled 2009-05-08
- Butler, Kevin L KS2022-12-17 active