Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KH7GM callsign genealogy
Currently held by OLIVER, LOIS A
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 KH7GM's current licensee, walking backwards.
- MacDonald, Gregory GHIgranted 2016-05-25cancelled 2016-09-07
Successor callsigns
Callsigns held now by people who previously held KH7GM.
- MacDonald, Gregory GSCgranted 2021-07-03
All historical holders
Every license row we've seen with the callsign KH7GM, oldest first.
- OLIVER, LOIS A HI1997-09-17 → cancelled 2009-09-18
- MacDonald, Gregory G SC2016-09-07 → cancelled 2021-07-03