Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KK4OIV callsign genealogy
Currently held by HUGDAHL, DAVID D
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 KK4OIV's current licensee, walking backwards.
- HUGDAHL, DAVID DVAgranted 2013-02-04cancelled 2013-02-11
Successor callsigns
Callsigns held now by people who previously held KK4OIV.
- HUGDAHL, DAVID DNCgranted 2023-01-13