Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KE7CSD callsign genealogy
Currently held by Dennis, Clifford S
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 KE7CSD's current licensee, walking backwards.
- Dennis, Clifford SORgranted 2018-02-06cancelled 2026-06-26
Successor callsigns
Callsigns held now by people who previously held KE7CSD.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KE7CSD, oldest first.
- KLAMATH BASIN REPEATER ASSOCIATION OR2015-02-26 → cancelled 2015-11-17
- Dennis, Clifford S OR2026-06-26 active