Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WN4TSB callsign genealogy
Currently held by Brook II, Ted S
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 WN4TSB's current licensee, walking backwards.
- Brook II, Ted SSCgranted 2018-10-16cancelled 2019-11-13
Successor callsigns
Callsigns held now by people who previously held WN4TSB.
No current licensee on record previously held this callsign.