Quarterwave CORP.
Quarterwave manufactures Traveling Wave Tube Amplifiers (TWTA), Traveling Wave Tubes (TWT), high voltage power systems, and test equipment for microwave tubes. The company produces amplifiers with power levels ranging from 10 watts to 50 kilowatts and frequencies from 1.0 GHz to 95 GHz, available in standard configurations or as custom and OEM modules. Its amplifiers serve applications including Synthetic Aperture Radars, airborne weather research, radar cross section testing, threat platform simulators, wireless communications, satellite uplinks, and EMI/RFI test facilities.
Their plant
| Facility | City | State | Employees | Status |
|---|---|---|---|---|
| Quarterwave CORP. | Rohnert Park | CA | — | ACTIVE |
Compiled from federal records — EPA, OSHA, SAM.gov and the U.S. Census — and from the company’s own website. Federal source data is public domain. Each plant’s page names the source of every field.


