近幾年台灣吹起一股露營的風潮,在許多人的社交平台上都能看到山上搭營、升野火的照片,對此就有網友好奇,露營時遇到什麼狀況最讓人害怕呢?貼文曝光後,不少人秒答:「風,雨不算什麼,但帳篷真的怕風!」
該名網友今(29)日在PTT貼文,他以「露營最怕遇到什麼」為題,表示現在全台都在瘋露營,感覺去露營就有可能遇到許多可怕的事情,包含昆蟲、大自然的聲音、隔壁帳篷太吵或天氣不佳等不可控情形,讓他好奇問露營行家們:「最怕會遇到什麼?」
貼文一出,網友紛紛留言,「沒有冷氣吹」、「露營區一定是蚊子」、「認真打呼」、「怕裝備比別人廢」、「沒水準的人啊」、「下雨」、「忘了帶咖啡豆,很想回家拿」、「露營最怕沒帶到的東西」、「卡拉OK大賽」、「小黑蚊」。
不過,最多網友秒點名「狂風」更恐怖,「風,雨不算什麼,但帳篷真的怕風」、「狂風,海拔3000以上被吹斷營柱,下一秒瞬間割破外帳然後在暴雨中搶救帳篷,氣溫一兩度吧」、「我帳篷也是被風吹到快壓到臉上,隔天一早營柱正常,慶幸沒被吹歪」、「之前有一次颱風擦過,我又剛好在山上迎風面,營繩被繃斷,但營柱沒斷沒歪,天幕整個倒下。還好我帳篷本身很防風,所以還算沒事」。(編輯:賴禹妡)
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The log-periodic antenna as known as LPDA is a wideband directional antenna that provides gain and directivity combined over a wide band of frequencies.
Both Log-Periodic Antennas and Yagi antennas are high gain directional antennas. The main difference between these antennas is that Log-Periodic Antennas support wider frequency bandwidths and are physically much larger than Yagi antennas.
The log-periodic dipole array typical VSWR is 2:1 and operates over a much wider bandwidth and will have a lower gain for an equivalent number of elements.
In terms of its specification, a typical log periodic antenna might provide between 3 and 6 dB gain over dipole for a bandwidth of 2:1 while retaining a VSWR level of better than 1.3:1. With this level of performance, it is ideal for many applications, although a log-periodic antenna will be much larger than a Yagi of an equivalent gain.
EMC/EMI pre-compliance test antenna.
Very high gain over the full frequency range.
Meets latest EMC standards up to 7GHz.
Suitable even for immunity measurements
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