Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W7CBK callsign genealogy
Currently held by Kidder, Charles 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 W7CBK's current licensee, walking backwards.
- Kidder, Charles BORgranted 2017-04-11cancelled 2017-12-27
Successor callsigns
Callsigns held now by people who previously held W7CBK.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W7CBK, oldest first.
- Waren, Harris E AZ2004-11-24 → cancelled 2016-11-26
- Kidder, Charles B OR2017-12-27 active