Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K5XRS callsign genealogy
Currently held by Liu, David 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 K5XRS's current licensee, walking backwards.
- Liu, David ATXgranted 2019-02-08cancelled 2019-08-17
Successor callsigns
Callsigns held now by people who previously held K5XRS.
No current licensee on record previously held this callsign.