Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KC0SDL callsign genealogy
Currently held by McDowell, Pamela 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 KC0SDL's current licensee, walking backwards.
- LANDRETH, STEPHENKSgranted 2021-08-05cancelled 2022-04-19
Successor callsigns
Callsigns held now by people who previously held KC0SDL.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KC0SDL, oldest first.
- McDowell, Pamela J MN2004-04-15 → cancelled 2016-04-16
- LANDRETH, STEPHEN KS2022-04-19 active