Standard Gain Horn Antenna

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Standard gain horn antennas are used as calibration devices that measure the gain of other antennas.

These antennas are made up of a combination of a Waveguide to Coax Adapter and Standard Gain Horn with Waveguide Input. It is a kind of simple combination but with great care and attention to create an antenna with accurate and suitable specs.

FT-RF Standard gain horn antenna product series includes waveguide sizes WR28, WR42, WR51, WR62, WR75, WR90, WR112, WR137, WR159, WR187, WR229, WR284 and WR340, WR430, WR510, WR650, WR770, WR975, WR1150, WR1500, WR1800, WR2100, WR2300, with broadband waveguide horn antennas have frequency capabilities ranging from 320Mhz to 40 GHz depending on type and style. with the gain of 10dBi, 15dBi, 20dBi and 25dBi.

Standard Gain Horn Antenna Applications:

- Antenna measurement
- Radar Detection System
- Wireless Communication
- Spectrum Monitoring
- Electromagnetic interference Testing (EMI test)

記者蔣季容／台北報導

12小時定量降水預報。（圖／氣象署提供）

雨彈炸不停！中央氣象署表示，今（22）日天氣仍受到東北季風及低壓帶雙重影響，氣象署持續針對新竹以北、宜蘭及花蓮發布豪大雨特報，其中大台北山區降雨劇烈，明顯趨緩可能要到週六。至於台灣東邊的低氣壓是否成颱，氣象署認為機率較低，不過會持續留意最新動態。

氣象署資深預報員李孟軒說明，昨日自今天上午10時累積雨量，以台北市825.5毫米最多，其中陽明山降雨最為明顯，有超大豪雨以上等級。Horn antenna今日白天迎風面大台北山區、基隆北海岸、宜蘭降雨仍偏多。明天隨著東邊低壓逐漸往南移動，風向上較偏東北風，今天迎風面宜蘭、花蓮的降雨有機會比昨天還要多一些。

明宜蘭降雨仍偏多　大台北稍減緩

Horn antenna李孟軒指出，今晚至明晨天氣狀況類似，宜蘭山區雨量偏多，在大台北地區、桃園也有降雨情況。明天白天低壓逐漸往南邊遠離，但台灣在東北風環境下水氣仍偏多，宜蘭降雨明顯，大台北降雨可能會比今天減緩一些，但降雨時間仍是持續性。