Confidence: Medium · Source: FCC ULS · As of 2026-09-15
KC7NHZ callsign genealogy
Currently held by HELMS, SUSAN J
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 KC7NHZ's current licensee, walking backwards.
- HELMS, SUSAN JCAgranted 2013-11-01cancelled 2013-11-26
Successor callsigns
Callsigns held now by people who previously held KC7NHZ.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KC7NHZ, oldest first.
- HELMS, SUSAN J OR1995-10-10 → cancelled 2007-10-11
- HELMS, SUSAN J CA2013-11-26 → cancelled 2026-03-07