Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K1OAS callsign genealogy
Currently held by Olson, Edward B
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 K1OAS's current licensee, walking backwards.
- Olson, Erik BCTgranted 1999-11-16cancelled 2004-05-11
Successor callsigns
Callsigns held now by people who previously held K1OAS.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K1OAS, oldest first.
- Olson, Edward B CT1998-01-13 → cancelled 2004-03-28
- Olson, Erik B NH2025-01-24 active