Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K7SSS callsign genealogy
Currently held by CENTRAL OREGON CONTEST CLUB
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 K7SSS's current licensee, walking backwards.
- Hatfield, James MWAgranted 2008-09-12cancelled 2011-04-12
Successor callsigns
Callsigns held now by people who previously held K7SSS.
- K7ZZZexpiredCENTRAL OREGON CONTEST CLUBORgranted 2008-05-13cancelled 2020-05-14
All historical holders
Every license row we've seen with the callsign K7SSS, oldest first.
- CENTRAL OREGON CONTEST CLUB OR2008-03-18 → cancelled 2008-05-13
- Hatfield, James M WA2021-03-04 active