Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N0DCA callsign genealogy
Currently held by HENNINGSEN, JOHN N
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 N0DCA's current licensee, walking backwards.
- KE0IQTcancelledDakota County Amateur Radio ClubNEgranted 2016-04-19cancelled 2016-05-20
Successor callsigns
Callsigns held now by people who previously held N0DCA.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N0DCA, oldest first.
- HENNINGSEN, JOHN N MN1996-04-23 → cancelled 2008-04-24
- Dakota County Amateur Radio Club NE2026-05-30 active