Confidence: Medium · Source: FCC ULS · As of 2026-09-12
NI1F callsign genealogy
Currently held by Conroy, Mike 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 NI1F's current licensee, walking backwards.
- Conroy, Mike JNHgranted 2009-09-01cancelled 2011-06-28
Successor callsigns
Callsigns held now by people who previously held NI1F.
- RIEDERS, ARTHUR TMAgranted 1996-12-11cancelled 2004-07-28