Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K1ECS callsign genealogy
Currently held by Svendsen, Erik C
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 K1ECS's current licensee, walking backwards.
- Svendsen, Erik CMAgranted 2021-08-16cancelled 2022-07-23
Successor callsigns
Callsigns held now by people who previously held K1ECS.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K1ECS, oldest first.
- SOUTH BAY (ECS) EMERGENCY COMMUNICATIONS SERVICE CA2009-09-04 → cancelled 2021-09-08
- Svendsen, Erik C MA2022-07-23 active