Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N1MBS callsign genealogy
Currently held by Cloud, Amy M
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 N1MBS's current licensee, walking backwards.
- Cloud, Amy MHIgranted 2022-04-18cancelled 2022-05-28
Successor callsigns
Callsigns held now by people who previously held N1MBS.
- HARWOOD, RICHARD FMAgranted 2002-02-01cancelled 2002-05-28
All historical holders
Every license row we've seen with the callsign N1MBS, oldest first.
- HARWOOD, RICHARD F MA1992-04-21 → cancelled 2002-02-01
- Cloud, Amy M NC2022-05-28 active