Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K1RNH callsign genealogy
Currently held by MACH, ALBERT C
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 K1RNH's current licensee, walking backwards.
- MULLETT, REID LNHgranted 2018-10-05cancelled 2019-03-19
Successor callsigns
Callsigns held now by people who previously held K1RNH.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K1RNH, oldest first.
- MACH, ALBERT C MA1994-02-15 → cancelled 2006-02-16
- MULLETT, REID L NH2019-03-19 active