Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K9RBY callsign genealogy
Currently held by Bailey, Mark E
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 K9RBY's current licensee, walking backwards.
- Bailey, Mark EWAgranted 2019-12-11cancelled 2024-03-26
Successor callsigns
Callsigns held now by people who previously held K9RBY.
No current licensee on record previously held this callsign.