Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N0DAR callsign genealogy
Currently held by Ganzlin, Peter
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 N0DAR's current licensee, walking backwards.
- Smith, Thomas JCOgranted 2020-01-08cancelled 2020-03-07
Successor callsigns
Callsigns held now by people who previously held N0DAR.
- Ganzlin, Peter WMNgranted 2017-08-01
All historical holders
Every license row we've seen with the callsign N0DAR, oldest first.
- CONSTANCE, MARK G WA1993-12-07 → cancelled 2005-12-08
- Ganzlin, Peter MN2015-07-28 → cancelled 2017-08-01
- Smith, Thomas J CO2020-03-07 active