Confidence: Medium · Source: FCC ULS · As of 2026-09-11
W5CKB callsign genealogy
Currently held by Work, Troy J
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 W5CKB's current licensee, walking backwards.
- Work, Troy JTXgranted 2015-08-21cancelled 2015-09-15
Successor callsigns
Callsigns held now by people who previously held W5CKB.
No current licensee on record previously held this callsign.