Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K0IB callsign genealogy
Currently held by BOSCH, OTTO K
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 K0IB's current licensee, walking backwards.
- Shonkwiler, Gary MSDgranted 2002-01-23cancelled 2004-03-31
- KB8FHBno FCC ULS record on file
Successor callsigns
Callsigns held now by people who previously held K0IB.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K0IB, oldest first.
- BOSCH, OTTO K MN1997-01-06 → cancelled 2002-03-11
- Shonkwiler, Gary M AL2024-02-13 active