Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K1SKA callsign genealogy
Currently held by POITRAS, LAWRENCE H
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 K1SKA's current licensee, walking backwards.
- Harnois, Jeremie RRIgranted 2014-02-10cancelled 2014-03-01
Successor callsigns
Callsigns held now by people who previously held K1SKA.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K1SKA, oldest first.
- POITRAS, LAWRENCE H RI1996-07-24 → cancelled 2008-07-25
- Harnois, Jeremie R RI2025-12-24 active