Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KB4LYD callsign genealogy
Currently held by CHAMBERS III, JOSEPH A
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 KB4LYD's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held KB4LYD.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KB4LYD, oldest first.
- CHAMBERS III, JOSEPH A TN2014-03-27 → cancelled 2026-06-02
- Taylor, Matthew J TN2026-06-23 active