Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N4IUA callsign genealogy
Currently held by MAPLES JR, DAN
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 N4IUA's current licensee, walking backwards.
- Roberts, Robert DFLgranted 2023-05-25cancelled 2024-04-12
Successor callsigns
Callsigns held now by people who previously held N4IUA.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N4IUA, oldest first.
- MAPLES JR, DAN TN1997-11-20 → cancelled 2009-11-21
- Roberts, Robert D FL2024-04-12 active