Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K5CLU callsign genealogy
Currently held by UPSHUR, CHARLES L
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 K5CLU's current licensee, walking backwards.
- UPSHUR, CHARLES LMSgranted 1999-05-04cancelled 2000-01-19
Successor callsigns
Callsigns held now by people who previously held K5CLU.
No current licensee on record previously held this callsign.