Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KH7CM callsign genealogy
Currently held by Hipperson, Robert D
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 KH7CM's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held KH7CM.
- Hipperson, Robert DIDgranted 2011-03-12cancelled 2014-04-18
All historical holders
Every license row we've seen with the callsign KH7CM, oldest first.
- Hipperson, Robert D WA2005-12-15 → cancelled 2011-03-12
- Hipperson Jr, Robert D WY2025-02-14 active