Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KB7OIE callsign genealogy
Currently held by JARCHOW, BRIAN 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 KB7OIE's current licensee, walking backwards.
The current licensee has not held any other callsign on record.
Successor callsigns
Callsigns held now by people who previously held KB7OIE.
- JARCHOW, BRIAN JTNgranted 2022-04-05