Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N1RHK callsign genealogy
Currently held by Robertson, Iris
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 N1RHK's current licensee, walking backwards.
- Robertson, IrisMAgranted 2016-02-25cancelled 2016-03-18
Successor callsigns
Callsigns held now by people who previously held N1RHK.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N1RHK, oldest first.
- Macfarland, Martha A PA2004-01-21 → cancelled 2016-02-02
- Robertson, Iris MA2016-03-18 active