Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K7UYH callsign genealogy
Currently held by Rojchanakittiyakorn, Phongphanot
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 K7UYH's current licensee, walking backwards.
- Rojchanakittiyakorn, PhongphanotAZgranted 2019-10-21cancelled 2022-04-22
Successor callsigns
Callsigns held now by people who previously held K7UYH.
No current licensee on record previously held this callsign.