Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K0YB callsign genealogy
Currently held by CHANDLER, GLENN L
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 K0YB's current licensee, walking backwards.
- CHANDLER, GLENN LMOgranted 2013-10-21cancelled 2015-05-08
Successor callsigns
Callsigns held now by people who previously held K0YB.
- KV0COactiveCOLORADO VHF GROUPCOgranted 2023-04-01
All historical holders
Every license row we've seen with the callsign K0YB, oldest first.
- COLORADO VHF GROUP CO2008-08-12 → cancelled 2013-04-19
- CHANDLER, GLENN L MO2025-04-10 active