Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N1DMA callsign genealogy
Currently held by ROSENBERG, NEIL A
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 N1DMA's current licensee, walking backwards.
- KA1BALcancelledcancelled 1999-05-05
Successor callsigns
Callsigns held now by people who previously held N1DMA.
- ROSENBERG, NEIL AMAgranted 2020-05-02