Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N4IYL callsign genealogy
Currently held by BALIS, ULYSSES 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 N4IYL's current licensee, walking backwards.
- BALIS, ULYSSES JMIgranted 2015-12-08cancelled 2016-01-16
Successor callsigns
Callsigns held now by people who previously held N4IYL.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N4IYL, oldest first.
- BALIS, ULYSSES J FL1988-08-16 → cancelled 2000-08-17
- BALIS, ULYSSES J MI2025-11-25 active