Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W9ASB callsign genealogy
Currently held by Bretl, Andrew 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 W9ASB's current licensee, walking backwards.
- Bretl, Andrew SWIgranted 2000-06-08cancelled 2000-06-27
Successor callsigns
Callsigns held now by people who previously held W9ASB.
No current licensee on record previously held this callsign.