Open Boundary Quad-Ridged Horn Antenna

pen Boundary Quad-Ridged Horn Antenna Applications:

• - Low Cross-interference 
• - Antenna Measurement
• - Electromagnetic Measurement
• - Electromagnetic Compatibility Testing (EMC test)
• - Ultra-wideband Radar Detection
• - Some antennas have a compact design that makes them ideal for use with a tripod-mounted - Antenna Tripod

Learn more: Summary table of Open Boundary Quad-Ridged Horn Antenna

美國公債殖利率大幅下滑，凸顯市場對經濟趨緩的憂慮，美股今天挫跌。

道瓊工業指數終場下跌748.63點，或1.69%，收在43428.02點。

標準普爾500指數下跌104.39點，或1.71%，收在6013.13點。

Open Boundary Quad-Ridged Horn Antenna以科技股為主的那斯達克指數下跌438.35點，或2.20%，收在19524.01點。

費城半導體指數下跌174.032點，或3.28%，收在5136.594點。（中央社紐約21日電）

▲美股挫跌！道瓊下跌748點、費半降3.28%。（圖／翻攝自pixabay）