Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K0DHB callsign genealogy
Currently held by GRONNEBERG, ARNOLD J
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 K0DHB's current licensee, walking backwards.
- HINDS, DAVID LKSgranted 2008-05-05cancelled 2008-09-16
Successor callsigns
Callsigns held now by people who previously held K0DHB.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K0DHB, oldest first.
- GRONNEBERG, ARNOLD J ND1988-05-03 → cancelled 2000-05-04
- HINDS, DAVID L KS2018-08-30 active