Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KK5XR callsign genealogy
Currently held by Li, Xinran
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 KK5XR's current licensee, walking backwards.
- Li, XinranCOgranted 2023-04-19cancelled 2024-06-25
Successor callsigns
Callsigns held now by people who previously held KK5XR.
- PORTER, J KENTTXgranted 2021-02-16
All historical holders
Every license row we've seen with the callsign KK5XR, oldest first.
- PORTER, JOHN K TX1996-03-11 → cancelled 2000-10-24
- Li, Xinran CA2024-06-25 active