Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N0IBM callsign genealogy
Currently held by Moon, Isaac
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 N0IBM's current licensee, walking backwards.
- Moon, IsaacNEgranted 2022-08-06cancelled 2022-08-30
Successor callsigns
Callsigns held now by people who previously held N0IBM.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N0IBM, oldest first.
- ALLEN, BILLIE R TX1999-02-25 → cancelled 2011-02-26
- Moon, Isaac NE2022-08-30 active