Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KY4LDS callsign genealogy
Currently held by Baumer Jr, William 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 KY4LDS's current licensee, walking backwards.
- Baumer Jr, William FKYgranted 2011-01-14cancelled 2011-02-05
Successor callsigns
Callsigns held now by people who previously held KY4LDS.
No current licensee on record previously held this callsign.