Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AD0KA callsign genealogy
Currently held by HUMBLE, JOHN W
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 AD0KA's current licensee, walking backwards.
- HUMBLE, JOHN WMOgranted 2005-01-04cancelled 2014-08-05
Successor callsigns
Callsigns held now by people who previously held AD0KA.
No current licensee on record previously held this callsign.