Confidence: Medium · Source: FCC ULS · As of 2026-09-12
NI1M callsign genealogy
Currently held by TYRRELL, HAROLD V
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 NI1M's current licensee, walking backwards.
- Pokasap, NaresVAgranted 2011-07-25cancelled 2011-10-21
Successor callsigns
Callsigns held now by people who previously held NI1M.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign NI1M, oldest first.
- TYRRELL, HAROLD V CT1996-10-10 → cancelled 2008-10-11
- Pokasap, Nares VA2021-08-17 active