Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N1DAR callsign genealogy
Currently held by JOHNSON, DAVID 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 N1DAR's current licensee, walking backwards.
- Roberts, DavidMAgranted 2024-03-19cancelled 2026-03-17
Successor callsigns
Callsigns held now by people who previously held N1DAR.
- JOHNSON, DAVID AMAgranted 2017-06-03
All historical holders
Every license row we've seen with the callsign N1DAR, oldest first.
- JOHNSON, DAVID A MA2014-03-12 → cancelled 2017-06-03
- Roberts, David MA2026-03-17 active