Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K1FO callsign genealogy
Currently held by POWLISHEN, STEPHEN J
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 K1FO's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held K1FO.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K1FO, oldest first.
- POWLISHEN, STEPHEN J CT2004-06-17 → cancelled 2012-07-28
- NORTH EAST WEAK SIGNAL GROUP CT2024-04-24 active