Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K4NCT callsign genealogy
Currently held by SPEARMAN, ROBERT K
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 K4NCT's current licensee, walking backwards.
- SPEARMAN, ROBERT KNCgranted 2001-04-24cancelled 2004-12-17
Successor callsigns
Callsigns held now by people who previously held K4NCT.
No current licensee on record previously held this callsign.