Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N8RMF callsign genealogy
Currently held by CALVIN, SETH D
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 N8RMF's current licensee, walking backwards.
- CALVIN, SETH DOHgranted 2008-03-11cancelled 2009-02-27
Successor callsigns
Callsigns held now by people who previously held N8RMF.
- Calvin, Dean MOHgranted 2016-11-14
All historical holders
Every license row we've seen with the callsign N8RMF, oldest first.
- Calvin, Dean M OH2003-07-29 → cancelled 2007-02-08
- CALVIN, SETH D OH2018-12-14 active