Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K4NAC callsign genealogy
Currently held by SMITH, KENNETH M
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 K4NAC's current licensee, walking backwards.
- COSTAS, NICK AALgranted 2004-07-09cancelled 2010-12-21
Successor callsigns
Callsigns held now by people who previously held K4NAC.
- SMITH, KENNETH MALgranted 2003-02-22cancelled 2004-06-18
All historical holders
Every license row we've seen with the callsign K4NAC, oldest first.
- SMITH, KENNETH M AL2003-02-22 → cancelled 2004-06-17
- COSTAS, NICK A AL2010-12-21 → cancelled 2022-12-22