Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K7AUM callsign genealogy
Currently held by Rasmussen, James S
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 K7AUM's current licensee, walking backwards.
- Rasmussen, James SCAgranted 2026-02-27
Successor callsigns
Callsigns held now by people who previously held K7AUM.
All historical holders
Every license row we've seen with the callsign K7AUM, oldest first.
- Rasmussen, James S CA2015-05-05 → cancelled 2022-12-31
- Rasmussen, James S CA2025-01-17 → cancelled 2026-02-27