Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W7CSB callsign genealogy
Currently held by HELWIG, C KENT
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 W7CSB's current licensee, walking backwards.
- Bower, DanielIDgranted 2022-01-24cancelled 2022-02-11
Successor callsigns
Callsigns held now by people who previously held W7CSB.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W7CSB, oldest first.
- HELWIG, C KENT OR2007-11-02 → cancelled 2019-11-05
- BOWER, DANIEL W ID2022-02-11 active