Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W7CBW callsign genealogy
Currently held by Warnock, Christopher B
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 W7CBW's current licensee, walking backwards.
- Warnock, Christopher BWAgranted 2014-12-12cancelled 2020-12-15
Successor callsigns
Callsigns held now by people who previously held W7CBW.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W7CBW, oldest first.
- WEAVER, JOHN N OR1988-09-06 → cancelled 2000-09-07
- Warnock, Christopher B WA2020-12-15 active