Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KB5ZSP callsign genealogy
Currently held by Hight, Benjamin 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 KB5ZSP's current licensee, walking backwards.
- Hight, Benjamin MTXgranted 2018-10-25cancelled 2018-11-14
Successor callsigns
Callsigns held now by people who previously held KB5ZSP.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KB5ZSP, oldest first.
- HIGHT, BENJAMIN M TX1993-04-13 → cancelled 2005-04-14
- Hight, Benjamin M TX2018-11-14 active