3 papers
astro-ph.CO2025
Precise Measurement of the Absolute Sky Brightness at 60-350 MHz
Luke McKay, Ravi Subrahmanyan, Aaron Chippendale +4
Accurate knowledge of the low-frequency radio sky is essential for modelling foregrounds in experiments targeting cosmic dawn and the epoch of reionization. Measurements below 1 GH…
astro-ph.IM2024
Spectral Smoothness of Ground Plane Backed Log-Periodic Dipole Antennas for Radioastronomical Applications
Georgios Kyriakou, Pietro Bolli, Mirko Bercigli
The spectral smoothness properties of the low-frequency array of the Square Kilometer Array (SKA), namely SKA-Low, are an important issue for its scientific objectives to be attain…
astro-ph.IM2017
SKA Aperture Array Verification System: Electromagnetic modeling and beam pattern measurements using a micro UAV
E. de Lera Acedo, P. Bolli, F. Paonessa +10
In this paper we present the electromagnetic modeling and beam pattern measurements of a 16-elements ultra wideband sparse random test array for the low frequency instrument of the…