Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K1SUF callsign genealogy
Currently held by LURENSKY, MAURICE L
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 K1SUF's current licensee, walking backwards.
- Marchais, Guy WSCgranted 2024-03-30cancelled 2024-04-19
Successor callsigns
Callsigns held now by people who previously held K1SUF.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K1SUF, oldest first.
- LURENSKY, MAURICE L FL1999-09-22 → cancelled 2011-12-13
- Marchais, Guy W SC2024-04-19 active