Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K5OCS callsign genealogy
Currently held by LaBonte, Adam N
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 K5OCS's current licensee, walking backwards.
- LaBonte, Adam NMAgranted 2014-06-06cancelled 2014-07-19
Successor callsigns
Callsigns held now by people who previously held K5OCS.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K5OCS, oldest first.
- DIAMOND, DANIEL TX1996-05-03 → cancelled 2008-05-06
- LaBonte, Adam N MA2025-06-19 active