Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AD0BX callsign genealogy
Currently held by OLSON, DAVID 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 AD0BX's current licensee, walking backwards.
- OLSON, DAVID SMNgranted 2012-07-05cancelled 2012-09-19
Successor callsigns
Callsigns held now by people who previously held AD0BX.
No current licensee on record previously held this callsign.