Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KC7MJR callsign genealogy
Currently held by WHIPPLE, DAVID B
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 KC7MJR'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 KC7MJR.
- WHIPPLE, DAVID BUTgranted 2025-07-22