Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N6SKM callsign genealogy
Currently held by MC GROGAN, STEPHEN 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 N6SKM's current licensee, walking backwards.
- MC GROGAN, STEPHEN KCAgranted 2004-03-02cancelled 2013-04-09
Successor callsigns
Callsigns held now by people who previously held N6SKM.
- KIZER, RONCAgranted 1999-11-17cancelled 2011-11-18
All historical holders
Every license row we've seen with the callsign N6SKM, oldest first.
- KIZER, RON CA1998-05-07 → cancelled 1999-11-17
- MC GROGAN, STEPHEN K CA2023-03-03 active