Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K3SNO callsign genealogy
Currently held by MAC FARLANE, WILLIAM M
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 K3SNO's current licensee, walking backwards.
- MCGUIRE, MICHAEL GPAgranted 2023-11-07cancelled 2023-12-15
Successor callsigns
Callsigns held now by people who previously held K3SNO.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K3SNO, oldest first.
- MAC FARLANE, WILLIAM M PA1987-10-27 → cancelled 1999-10-28
- MCGUIRE, MICHAEL G PA2023-12-15 active