Confidence: Medium · Source: FCC ULS · As of 2026-09-14
WA6RBU callsign genealogy
Currently held by CALDWELL, LES E
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 WA6RBU's current licensee, walking backwards.
- CALDWELL, LES ECAgranted 2021-05-18cancelled 2021-06-08
Successor callsigns
Callsigns held now by people who previously held WA6RBU.
No current licensee on record previously held this callsign.