Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K7UIR callsign genealogy
Currently held by Bischoff Jr, David L
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 K7UIR'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 K7UIR.
- Bischoff Jr, David LWAgranted 2019-09-05