Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N4NNO callsign genealogy
Currently held by CLEMONS, ROBERT G
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 N4NNO's current licensee, walking backwards.
- NANO, MARKCAgranted 2025-06-26cancelled 2025-07-18
Successor callsigns
Callsigns held now by people who previously held N4NNO.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N4NNO, oldest first.
- CLEMONS, ROBERT G NC1998-05-11 → cancelled 2010-05-12
- NANO, MARK CA2025-07-18 active