Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N1NSM callsign genealogy
Currently held by MELO, FRANK 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 N1NSM's current licensee, walking backwards.
- Melo, Frank JNMgranted 2009-11-19cancelled 2009-12-08
Successor callsigns
Callsigns held now by people who previously held N1NSM.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N1NSM, oldest first.
- MELO, FRANK J CT1992-11-03 → cancelled 2004-11-04
- MELO, FRANK J AZ2020-03-03 active