Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K7ARX callsign genealogy
Currently held by OLSON, DAVID K
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 K7ARX's current licensee, walking backwards.
- OLSON, DAVID KMDgranted 2004-06-29cancelled 2013-07-26
Successor callsigns
Callsigns held now by people who previously held K7ARX.
No current licensee on record previously held this callsign.