Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KK5SF callsign genealogy
Currently held by BUCKNER, BRYAN W
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 KK5SF's current licensee, walking backwards.
- Buckner, Bryan WTXgranted 2020-08-17cancelled 2020-09-26
Successor callsigns
Callsigns held now by people who previously held KK5SF.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KK5SF, oldest first.
- BUCKNER, BRYAN W TX2005-04-14 → cancelled 2017-07-13
- Buckner, Bryan W TX2020-09-26 active