Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KB3OHU callsign genealogy
Currently held by LUTZ, JAMES I
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 KB3OHU's current licensee, walking backwards.
- LUTZ, JAMES IPAgranted 2018-08-03cancelled 2021-01-19
Successor callsigns
Callsigns held now by people who previously held KB3OHU.
All historical holders
Every license row we've seen with the callsign KB3OHU, oldest first.
- LUTZ, JAMES I PA2016-10-31 → cancelled 2018-08-03
- LUTZ, JAMES I PA2021-01-19 → cancelled 2025-03-29