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Improved Measurement of the Spectral Index of the Diffuse Radio Background Between 90 and 190 MHz
Thomas. J. Mozdzen, Judd. D. Bowman, Raul. A. Monsalve +1
We report absolutely calibrated measurements of diffuse radio emission between 90 and 190 MHz from the Experiment to Detect the Global EoR Signature (EDGES). EDGES employs a wide b…
One-Port Direct/Reverse Method for Characterizing VNA Calibration Standards
Raul A. Monsalve, Alan E. E. Rogers, Thomas J. Mozdzen +1
This paper introduces a one-port method for estimating model parameters of VNA calibration standards. The method involves measuring the standards through an asymmetrical passive ne…
Calibration of the EDGES High-Band Receiver to Observe the Global 21-cm Signature from the Epoch of Reionization
Raul A. Monsalve, Alan E. E. Rogers, Judd D. Bowman +1
The EDGES High-Band experiment aims to detect the sky-average brightness temperature of the -cm signal from the Epoch of Reionization (EoR) in the redshift range $14.8 \gtrsim…