Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K5OBS callsign genealogy
Currently held by Swanson, Bill E
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 K5OBS's current licensee, walking backwards.
- Swanson, Bill ETXgranted 2008-05-08cancelled 2008-05-28
Successor callsigns
Callsigns held now by people who previously held K5OBS.
No current licensee on record previously held this callsign.