PD Background Report (PL-SPP-2022-000025)

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• Underground power lines connecting the satellite and dipole antenna arrays to the shipping containers and solar power array. • Fencing to protect the proposed arrays from grazing animals, enclosing an area of approximately 1 acre. The applicant proposes to clear the 2.0-acre permit area in the northwest area of the property and to install the satellite array at the north end of the site with the dipole antenna array to the south and the catchment tank, shipping containers and port-a-potty located between the arrays. The satellite array is proposed to consist of 1 line of 4 antennas, followed by 2 lines of 3 antennas, for a total of 10 antennas. The pole of each satellite will reach 7 to 8 feet in height, with approximately 25 feet between each satellite. The dipole antennas will be 2 feet in length, fixed to a 1.5-foot post, with approximately 3 feet between each antenna. 2. Purpose of Request: According to the applicant,the array of satellite dishes would conduct scientific studies on the astrophysical origin of Fast Radio Bursts (FRBs). FRBs are powerful radio bursts coming from within and outside of our galaxy, which are not yet understood. The applicant intends to study the sources and origins of these radio bursts, which requires a"radio-quiet" site. Ka`u was found to be the best radio-quiet area on Hawaii Island, based on surveys conducted by the applicant. The proposed satellites and antennas are designed for FRB reception only, therefore no outward transmission of radio signals would occur. In addition, all satellites would be fixed to look at the northeastern sky only, thus no satellite movement would occur. 3. Employees: Once operational, the facility will typically run unattended, with 1 person checking on operations once or twice a week. 4. Hours of Operation: The applicant is proposing to operate the facility continuously. 5. Landowner: Edmond C. Olson Trust No. 2. 6. Supportive Information: The applicant has submitted the attached in support of the request: (Planning Department Exhibit 1 — Special Permit Application dated June 30, 2022, and Supplemental Information received on November 3, 2022, and December 22,2022). -2-