Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W4NPC callsign genealogy
Currently held by ROBERTS, RAY G
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 W4NPC's current licensee, walking backwards.
- Cramer, JustinWIgranted 2026-01-14cancelled 2026-02-03
Successor callsigns
Callsigns held now by people who previously held W4NPC.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W4NPC, oldest first.
- ROBERTS, RAY G TN2012-12-12 → cancelled 2025-02-11
- Cramer, Justin WI2026-02-03 active