Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N0WNX callsign genealogy
Currently held by KRAMER, RONALD T
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 N0WNX's current licensee, walking backwards.
- Kramer, Ronald TTNgranted 2007-08-14cancelled 2015-10-17
Successor callsigns
Callsigns held now by people who previously held N0WNX.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N0WNX, oldest first.
- MARTIN, DAVID O MO2003-09-25 → cancelled 2015-09-26
- KRAMER, RONALD T TN2025-09-26 active