Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KT7A callsign genealogy
Currently held by OUYE, HARRY 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 KT7A's current licensee, walking backwards.
- MASSEY JR, CALVIN LUTgranted 2004-02-10cancelled 2007-12-28
Successor callsigns
Callsigns held now by people who previously held KT7A.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KT7A, oldest first.
- OUYE, HARRY T TX2004-04-26 → cancelled 2005-12-05
- MASSEY JR, CALVIN L UT2017-10-25 active