Confidence: Medium · Source: FCC ULS · As of 2026-09-12
NK3X callsign genealogy
Currently held by RITZ, DAVID M
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 NK3X's current licensee, walking backwards.
- RITZ, DAVID MPAgranted 2010-09-21cancelled 2012-05-25
Successor callsigns
Callsigns held now by people who previously held NK3X.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign NK3X, oldest first.
- SMITH, WILLIAM J PA1987-10-27 → cancelled 1999-10-28
- RITZ, DAVID M PA2023-03-23 active