Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N1MKR callsign genealogy
Currently held by SMITH, DOUGLAS K
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 N1MKR's current licensee, walking backwards.
- Richard, Joshua LMEgranted 2021-12-20cancelled 2022-01-07
Successor callsigns
Callsigns held now by people who previously held N1MKR.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N1MKR, oldest first.
- SMITH, DOUGLAS K ME2002-08-06 → cancelled 2014-05-20
- Richard, Joshua L ME2022-01-07 active