Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KG7OJA callsign genealogy
Currently held by Granholm, John
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 KG7OJA'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 KG7OJA.
- Granholm, JohnNVgranted 2025-03-21cancelled 2026-08-11