Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N3NPS callsign genealogy
Currently held by Shelenberger, Samuel 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 N3NPS's current licensee, walking backwards.
- Shelenberger, Samuel RPAgranted 2023-06-27cancelled 2026-08-07
Successor callsigns
Callsigns held now by people who previously held N3NPS.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N3NPS, oldest first.
- SCHOENKNECHT, WILLIAM J WA2002-10-08 → cancelled 2014-11-18
- Shelenberger, Samuel R PA2026-08-07 active