Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N6RCH callsign genealogy
Currently held by Blacklock, Richard
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 N6RCH's current licensee, walking backwards.
- Blacklock, RichardCAgranted 2013-05-03cancelled 2013-11-19
Successor callsigns
Callsigns held now by people who previously held N6RCH.
- Imada, Dave ACAgranted 2011-06-07cancelled 2017-11-21
All historical holders
Every license row we've seen with the callsign N6RCH, oldest first.
- Imada, Dave A CA2003-01-07 → cancelled 2011-06-07
- Blacklock, Richard CA2013-11-19 → cancelled 2026-03-07