Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KK8U callsign genealogy
Currently held by LIU, HONG
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 KK8U's current licensee, walking backwards.
- LIU, HONGTXgranted 2019-03-29cancelled 2019-06-07
Successor callsigns
Callsigns held now by people who previously held KK8U.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KK8U, oldest first.
- THUMB AREA CONTESTERS MI2007-03-06 → cancelled 2019-03-28
- LIU, HONG TX2019-06-07 active