Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N1IUK callsign genealogy
Currently held by SCHAFFRICK SR, LEROY D
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 N1IUK's current licensee, walking backwards.
- Schaffrick, Leroy DMAgranted 2013-12-26cancelled 2014-05-23
Successor callsigns
Callsigns held now by people who previously held N1IUK.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N1IUK, oldest first.
- SCHAFFRICK SR, LEROY D MA2001-01-25 → cancelled 2013-04-24
- Schaffrick, Leroy D MA2014-05-23 → cancelled 2026-05-27