Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KT7P callsign genealogy
Currently held by VALLE, RALPH A
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 KT7P's current licensee, walking backwards.
- SNEDDEN, JOHN WAZgranted 2014-11-04cancelled 2019-07-09
Successor callsigns
Callsigns held now by people who previously held KT7P.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KT7P, oldest first.
- VALLE, RALPH A AZ2007-05-12 → cancelled 2019-06-21
- SNEDDEN, JOHN W AZ2019-07-09 active