Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K5DAO callsign genealogy
Currently held by Dao, Johnny K
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 K5DAO's current licensee, walking backwards.
- Dao, Johnny KTXgranted 2019-03-27cancelled 2019-04-16
Successor callsigns
Callsigns held now by people who previously held K5DAO.
No current licensee on record previously held this callsign.