Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K0IM callsign genealogy
Currently held by WHEELER, ERIK 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 K0IM's current licensee, walking backwards.
- WHEELER, ERIK JCOgranted 2020-10-08cancelled 2026-08-28
Successor callsigns
Callsigns held now by people who previously held K0IM.
- HOFFMANN JR, DAVID PWIgranted 2024-08-09
All historical holders
Every license row we've seen with the callsign K0IM, oldest first.
- MARTINSON, WESLEY E MN2009-07-28 → cancelled 2021-10-26
- HOFFMANN JR, DAVID P KS2021-11-13 → cancelled 2024-08-09
- WHEELER, ERIK J CO2026-08-28 active