Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K8NTD callsign genealogy
Currently held by Firster, Harold O
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 K8NTD's current licensee, walking backwards.
- Firster, Harold OOHgranted 2000-02-04cancelled 2001-03-30
Successor callsigns
Callsigns held now by people who previously held K8NTD.
No current licensee on record previously held this callsign.