Giga-tronics Incorporated reported preliminary unaudited earnings results for its fourth quarter and full year ended March 27, 2021. Fourth quarter fiscal 2021 net sales are expected to be $2.7 million, an increase of 5% versus the same quarter of the prior fiscal year 2020. Microsource filter revenue is expected to increase 64% to $2.5 million compared to $1.5 million in the same quarter of fiscal 2020. Radar/EW test revenue is expected to decrease to $0.2 million for the fourth quarter fiscal 2021 compared to $1.0 million for the fourth quarter fiscal 2020, largely related to delays in expected orders due to the ongoing COVID-19 pandemic. Net sales for fiscal year 2021 ended March 27, 2021 is expected to be $13.0 million, an 11% increase over fiscal year 2020. Net loss for fiscal year 2021 is projected to be approximately $380,000.