Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K6ZS callsign genealogy
Currently held by MC GRATH, KEVIN 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 K6ZS's current licensee, walking backwards.
- Kinney, William WCAgranted 2008-11-19cancelled 2008-12-12
Successor callsigns
Callsigns held now by people who previously held K6ZS.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K6ZS, oldest first.
- MC GRATH, KEVIN J CA1996-11-18 → cancelled 2008-11-19
- Kinney, William W CA2019-12-24 active