Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N1KKO callsign genealogy
Currently held by KUCHARSKI, FREDERICK P
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 N1KKO's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held N1KKO.
- KUCHARSKI, FREDERICK PMAgranted 2018-06-26
All historical holders
Every license row we've seen with the callsign N1KKO, oldest first.
- KUCHARSKI, FREDERICK P MA2002-02-19 → cancelled 2008-07-26
- Tovar, Nikholas R WA2025-04-22 active