Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KB9DHW callsign genealogy
Currently held by Reed, Adam J
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 KB9DHW's current licensee, walking backwards.
- Reed, Adam JOHgranted 2015-06-16cancelled 2017-11-18
Successor callsigns
Callsigns held now by people who previously held KB9DHW.