Confidence: Medium · Source: FCC ULS · As of 2026-09-14
AK4CA callsign genealogy
Currently held by SMITH, TODD 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 AK4CA's current licensee, walking backwards.
- Sullivan, Robert JNCgranted 2021-04-08cancelled 2021-05-07
Successor callsigns
Callsigns held now by people who previously held AK4CA.
- SMITH, TODD MNCgranted 2020-09-15
All historical holders
Every license row we've seen with the callsign AK4CA, oldest first.
- SMITH, TODD M NC2010-08-02 → cancelled 2010-10-15
- Sullivan, Robert J NC2021-05-07 active