Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K0BB callsign genealogy
Currently held by Lynch, Ryan J
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 K0BB's current licensee, walking backwards.
- Lynch, Ryan JNYgranted 2021-10-18cancelled 2021-12-10
Successor callsigns
Callsigns held now by people who previously held K0BB.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K0BB, oldest first.
- BAKER, WILLIAM E MO2016-09-06 → cancelled 2019-11-21
- Lynch, Ryan J NY2021-12-10 active