Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W7NPK callsign genealogy
Currently held by Kleinschmidt, David
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 W7NPK's current licensee, walking backwards.
- Kleinschmidt, DavidORgranted 2009-10-19cancelled 2009-11-10
Successor callsigns
Callsigns held now by people who previously held W7NPK.
- Kleinschmidt, DavidORgranted 2020-01-11