Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KF6FAS callsign genealogy
Currently held by FARNSWORTH, SHANE D
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 KF6FAS's current licensee, walking backwards.
- FARNSWORTH, SHANE DCOgranted 2021-11-29cancelled 2022-08-16
Successor callsigns
Callsigns held now by people who previously held KF6FAS.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KF6FAS, oldest first.
- FARNSWORTH, SHANE D CA1996-07-10 → cancelled 2008-07-11
- FARNSWORTH, SHANE D CO2022-08-16 active