致災性梅雨來了!今(13)日鋒面接近,各地降雨機率高,白天雨勢再增加,尤其中部以北、東北部地區雨勢越晚越明顯。明(14)日至下週一(16日)滯留鋒徘徊,降雨範圍再擴全台,應注意劇烈天氣,包括雷擊、強風、瞬間強降雨,以及累積的致災性降雨。
中央氣象局表示,今天中部以北、東北部有短暫陣雨或雷雨,降雨較持續,且越晚越明顯,有局部大雨發生的機率;南部及花、東地區降雨空檔較多,仍須注意瞬間大雨、雷擊及強陣風。氣溫方面,清晨各地低溫約23、24度,白天高溫則略降,北台灣為25、26度左右,感受舒適;中南部及花、東為27到31度,沒下雨時仍偏悶熱。
氣象專家吳德榮於專欄指出,首波「梅雨季滯留鋒」今日逐漸南下,明日至下週一受滯留鋒徘徊影響,降雨範圍擴及全台,應慎防中、小尺度對流系統伴隨的劇烈天氣(雷擊、強風、瞬間強降雨),及累積的致災性降雨。
此外,各地氣溫將逐日下降、明顯轉涼,北台微冷,預估15日晚至16日晨、16日晚至17日晨,低溫恐下探16度,應注意衣著調適。下週二(17日)起滯留鋒南移至巴士海峽,屆時各地天氣明顯好轉,白天氣溫回升。
Horn antennas are very popular from 200 MHz frequency to higher frequencies up to 40GHz. The horn antenna has a distinctive design that is enlarged towards the end. Horn antennas typically feature a directional radiation pattern with a high antenna gain of 10-20 dBi, some antennas have a higher gain such as the standard horn antenna up to 25 dBi. Horn antennas feature a low VSWR and a wide impedance bandwidth.
The horn is suitable for both transmitting and receiving purposes, with applications:
- Antenna measurement
- Communication systems
- Satellite tracking systems
- Radar Detection System
- Surveillance System
- Electromagnetic Compatibility Testing (EMC test)
Recommended Accessories
- Antenna Tripod: easy and fast-changing position. 100% stable after installing.
- SMA Cable: High-quality special SMA cable
Learn More: Summary Table of Double-Ridged Horn Antenna (HA-Series)
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