Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KC5BTX callsign genealogy
Currently held by OFFER, SAMUEL 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 KC5BTX's current licensee, walking backwards.
- OFFER, SAMUEL ETXgranted 2014-08-20cancelled 2014-09-23
Successor callsigns
Callsigns held now by people who previously held KC5BTX.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KC5BTX, oldest first.
- KNOX, STEVE E TX1993-07-06 → cancelled 2005-07-07
- OFFER, SAMUEL E TX2014-09-23 active