Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KD0LAK callsign genealogy
Currently held by Johnson Jr, Roy F
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 KD0LAK'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 KD0LAK.
- Johnson Jr, Roy FMOgranted 2010-04-09cancelled 2022-04-12