Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KF6FWO callsign genealogy
Currently held by MERCURY AMATEUR RADIO ASSN
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 KF6FWO's current licensee, walking backwards.
- KJ6ASMcancelledMercury Amateur Radio AssnCAgranted 2009-06-30cancelled 2009-07-28
Successor callsigns
Callsigns held now by people who previously held KF6FWO.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KF6FWO, oldest first.
- MERCURY AMATEUR RADIO ASSN CA1996-08-22 → cancelled 2008-08-23
- Mercury Amateur Radio Assn CA2019-06-04 active