Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KW4TCB callsign genealogy
Currently held by Smith, Phil M
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 KW4TCB's current licensee, walking backwards.
- Smith, Phil MFLgranted 2024-10-08cancelled 2024-10-29
Successor callsigns
Callsigns held now by people who previously held KW4TCB.
No current licensee on record previously held this callsign.