Confidence: Medium · Source: FCC ULS · As of 2026-10-24
K7NPB callsign genealogy
Currently held by Klas, Collin
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 K7NPB's current licensee, walking backwards.
- Klas, CollinORgranted 2026-08-19cancelled 2026-09-09
Successor callsigns
Callsigns held now by people who previously held K7NPB.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K7NPB, oldest first.
- FOUTS, JOHN W WA2013-08-14 → cancelled 2025-09-30
- Klas, Collin OR2026-09-09 active