Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KD6CIO callsign genealogy
Currently held by WAKEFIELD, RYAN T
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 KD6CIO's current licensee, walking backwards.
- WAKEFIELD, RYAN TCAgranted 2014-02-20cancelled 2014-03-14
Successor callsigns
Callsigns held now by people who previously held KD6CIO.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KD6CIO, oldest first.
- HALLET, HAROLD A CA1993-06-29 → cancelled 2005-06-30
- WAKEFIELD, RYAN T CA2024-03-26 active