Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N9NIK callsign genealogy
Currently held by MURPHY, DEBORAH 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 N9NIK's current licensee, walking backwards.
- Knasiak, NikoliILgranted 2025-12-10cancelled 2026-01-10
Successor callsigns
Callsigns held now by people who previously held N9NIK.
All historical holders
Every license row we've seen with the callsign N9NIK, oldest first.
- MURPHY, DEBORAH L IN2001-09-05 → cancelled 2005-04-01
- Knasiak, Nikoli IL2026-01-10 → cancelled 2026-04-03