Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KF5DFF callsign genealogy
Currently held by White, Kristofer 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 KF5DFF's current licensee, walking backwards.
- White, Kristofer RTXgranted 2008-11-26cancelled 2009-09-23
Successor callsigns
Callsigns held now by people who previously held KF5DFF.
- White, Kristofer RWYgranted 2018-10-04cancelled 2020-01-18