Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KF5SIG callsign genealogy
Currently held by ALLISON, BRANDON 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 KF5SIG's current licensee, walking backwards.
- ALLISON, BRANDON RTXgranted 2011-02-04cancelled 2012-10-17
Successor callsigns
Callsigns held now by people who previously held KF5SIG.
- ALLISON, BRANDON RTXgranted 2020-11-18