Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N0WOW callsign genealogy
Currently held by Kiefer, Jason L
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 N0WOW's current licensee, walking backwards.
- Kiefer, Jason LCOgranted 2007-09-05cancelled 2009-07-11
Successor callsigns
Callsigns held now by people who previously held N0WOW.
- Wenzlaff, Wayne OMNgranted 2007-03-20cancelled 2019-03-21
All historical holders
Every license row we've seen with the callsign N0WOW, oldest first.
- SCHREINER, CONWAN J CO1993-05-04 → cancelled 2005-05-05
- Wenzlaff, Wayne O MN2006-11-28 → cancelled 2007-03-20
- Kiefer, Jason L TX2019-06-11 active