Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K2CBK callsign genealogy
Currently held by Walsh, Christopher 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 K2CBK's current licensee, walking backwards.
- Walsh, Christopher SNYgranted 2017-10-17cancelled 2020-05-15
Successor callsigns
Callsigns held now by people who previously held K2CBK.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K2CBK, oldest first.
- Jacobson, James J CA2006-10-20 → cancelled 2019-02-12
- Walsh, Christopher S NY2020-05-15 active