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Absolute Calibration of Diffuse Radio Surveys at 45 and 150 MHz

Absolute Calibration of Diffuse Radio Surveys at 45 and 150 MHz

We use EDGES measurements to determine scale and zero-level corrections to the diffuse radio surveys by Guzm\'an et al. at $45$ MHz and Landecker & Wielebinski at $150$ MHz. We find that the Guzm\'an et al. map requires a scale correction of $1.076 \pm 0.034$ ($2\sigma$) and a zero-level correction …