Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K6RWF callsign genealogy
Currently held by Frost, Robert
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 K6RWF's current licensee, walking backwards.
- Frost, RobertTXgranted 2013-03-12cancelled 2019-03-01
Successor callsigns
Callsigns held now by people who previously held K6RWF.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K6RWF, oldest first.
- BROWN, RUSSELL D CA1994-10-27 → cancelled 2006-10-28
- Frost, Robert TX2019-03-01 active