Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N0SOW callsign genealogy
Currently held by KLEINGARTNER, ARDITH 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 N0SOW's current licensee, walking backwards.
- KLEINGARTNER, ARDITH MNDgranted 1993-01-05cancelled 2002-03-21
Successor callsigns
Callsigns held now by people who previously held N0SOW.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N0SOW, oldest first.
- KLEINGARTNER, BERT ND1992-05-19 → cancelled 2001-10-31
- KLEINGARTNER, ARDITH M ND2012-02-22 → cancelled 2024-03-22