TY - RPRT TI - Real-time steerable frequency-stepped Doppler backscattering (DBS) system for local helicon wave electric field measurements on the DIII-D tokamak AU - Chowdhury, Satyajit [University of California, Los Angeles, CA (United States)] (ORCID:0000000184356693) AU - Crocker, Neal A. [University of California, Los Angeles, CA (United States)] (ORCID:0000000323795814) AU - Peebles, William A. [University of California, Los Angeles, CA (United States)] (ORCID:0000000242106749) AU - Lantsov, Roman [University of California, Los Angeles, CA (United States)] AU - Rhodes, Terry L. [University of California, Los Angeles, CA (United States)] (ORCID:0000000283114892) AU - Zeng, Lei [University of California, Los Angeles, CA (United States)] (ORCID:0000000158563912) AU - Van Compernolle, Bart [General Atomics, San Diego, CA (United States)] (ORCID:0000000258536233) AU - Tang, Shawn X. [General Atomics, San Diego, CA (United States)] (ORCID:0000000170305473) AU - Pinsker, Robert I. [General Atomics, San Diego, CA (United States)] (ORCID:0000000326839480) AU - Torrezan, A. C. [General Atomics, San Diego, CA (United States)] AU - Squire, Jared [General Atomics, San Diego, CA (United States)] (ORCID:0009000118120647) AU - Rupani, R. [General Atomics, San Diego, CA (United States); VIE Technologies, San Diego, CA (United States)] AU - O’Neill, R. [General Atomics, San Diego, CA (United States)] AU - Cengher, Mirela [MIT Plasma Science and Fusion Center, Cambridge, MA (United States)] (ORCID:0000000169134443) PY - 2025 DO - 10.1063/5.0233601 UR - https://www.osti.gov/biblio/2526660 ID - 2526660 ER -