Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K6ASC callsign genealogy
Currently held by BOROFKA, ROBERT P
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 K6ASC's current licensee, walking backwards.
- Chan, AlanCAgranted 2013-07-30cancelled 2020-06-23
Successor callsigns
Callsigns held now by people who previously held K6ASC.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K6ASC, oldest first.
- BOROFKA, ROBERT P CA1992-06-09 → cancelled 2004-06-11
- Chan, Alan S CA2020-06-23 active