Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K9AXX callsign genealogy
Currently held by VOLLMAN, DAVID M
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 K9AXX's current licensee, walking backwards.
- VOLLMAN, DAVID MILgranted 2009-05-04cancelled 2009-08-25
Successor callsigns
Callsigns held now by people who previously held K9AXX.
No current licensee on record previously held this callsign.