Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KD9IBO callsign genealogy
Currently held by McKesson, Worth 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 KD9IBO's current licensee, walking backwards.
The current licensee has not held any other callsign on record.
Successor callsigns
Callsigns held now by people who previously held KD9IBO.
- McKesson, Worth WINgranted 2018-03-06