Confidence: Medium · Source: FCC ULS · As of 2026-09-11
K5CKB callsign genealogy
Currently held by CROWLEY, RALPH R
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 K5CKB's current licensee, walking backwards.
- BANNON, CAMI KTXgranted 2015-04-01cancelled 2015-04-28
Successor callsigns
Callsigns held now by people who previously held K5CKB.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K5CKB, oldest first.
- CROWLEY, RALPH R TX1994-09-14 → cancelled 2006-09-15
- BANNON, CAMI K TX2015-04-28 active