Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KE7MTB callsign genealogy
Currently held by Groff Sr, Robert E
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 KE7MTB'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 KE7MTB.
- Groff Sr, Robert EORgranted 2017-11-01