Confidence: Medium · Source: FCC ULS · As of 2026-10-24
KC7OYY callsign genealogy
Currently held by SMITH, MICHAEL W
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 KC7OYY's current licensee, walking backwards.
- Smith, Michael WWAgranted 2026-03-19cancelled 2026-09-26
Successor callsigns
Callsigns held now by people who previously held KC7OYY.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KC7OYY, oldest first.
- SMITH, MICHAEL W WA1996-01-24 → cancelled 2008-01-25
- Smith, Michael W WA2026-09-26 active