Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N0GFT callsign genealogy
Currently held by DURHEIM, HAROLD R
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 N0GFT's current licensee, walking backwards.
- Madsen, Carl EMNgranted 2019-10-08cancelled 2019-12-28
Successor callsigns
Callsigns held now by people who previously held N0GFT.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N0GFT, oldest first.
- DURHEIM, HAROLD R MN2004-09-13 → cancelled 2016-12-08
- Madsen, Carl E MN2019-12-28 active