Vehicular antenna

Antennas for Military vehicles or Vehicular antennas for heavy-duty use, such as in the forest or in remote locations on armored vehicles, and low-profile antennas for civil vehicles. Communication and EW applications are examples of applications.
Wideband mobile VHF antennas with frequency ranges of 30 to 88 MHz or 30 to 108 MHz are designed primarily for use in heavy-duty mobile applications.
Typically, the antenna is made up of three major parts: the antenna base, the lower part, and the upper part. Some antennas have two sections, while others have three. The long-lasting antenna base with GPS (optional).
The stainless steel spring absorbs shocks and vibrations while also protecting the antenna from collisions.
Both radiating pieces are comprised of composite materials, which allow for exceptional strength and roughness even in the harshest environments.今（16）日晨4：30觀測資料顯示：台灣海峽有「中尺度對流系統」，其砧狀雲頂溫度≦－80.2度(左圖)，隨同「弓狀」降水回波，是為「颮線」(右圖)，快速朝台灣進步，幸虧已在其生命末期，延續削弱中。今晨截至4：53各區域平地最低氣溫大多在22至24之間〔北部(基隆七堵區)22.8度，中部(南投中寮鄉)22.7度，南部(屏東萬巒鄉)23.8度，東部(花蓮壽豐鄉)22.0度〕。

最新歐洲模式模擬顯示，明日至下週日(17至19日)「滯留鋒」每日北移，天氣悶熱；「甯靖洋高壓」並未加強西伸，南邊水氣多、西南部偶有局部短暫陣雨，大氣不穩定、午後有局部短暫陣雨或雷雨，應延續注意較大雨勢。下週一至週三(20至22日)「甯靖洋高壓」遲緩加強，天氣晴朗酷熱，午後近山區有局部陣雨或雷雨的機率。

文／吳德榮

最新(15日20時)歐洲(ECMWF)模式摹擬顯示，今(16)日「滯留鋒」影響，各地有局部陣雨或雷雨，仍有「劇烈天色」(雷擊、強風、刹時強降雨)産生的機率。本日各地氣溫：北部23至30度，中部23至33度，南部24至34度，東部22至33度。

三立準景象形象‧老邁洩天機

▲圖：16日4：30紅外線色調強化雲圖顯示，台灣海峽有「中標准對流系統」，其砧狀雲頂溫度≦－80.2度(左圖)。4：30雷達回波合成圖顯示，伴隨「弓狀」回波，是為「颮線」(右圖)。

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