Confidence: Medium · Source: FCC ULS · As of 2026-09-12
NC4TP callsign genealogy
Currently held by PIERCE SR, THOMAS R
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 NC4TP's current licensee, walking backwards.
- PIERCE SR, THOMAS ROHgranted 2017-03-14cancelled 2017-05-31
Successor callsigns
Callsigns held now by people who previously held NC4TP.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign NC4TP, oldest first.
- N C Telephone Pioneers ARS NC2001-04-20 → cancelled 2013-04-23
- PIERCE SR, THOMAS R OH2017-05-31 active