Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K7WXO callsign genealogy
Currently held by Koschmann, Bryan L
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 K7WXO's current licensee, walking backwards.
- Koschmann, Bryan LWAgranted 2005-09-29cancelled 2006-12-23
Successor callsigns
Callsigns held now by people who previously held K7WXO.
No current licensee on record previously held this callsign.