We are a supplier of military antenna equipment to many countries and are now establishing ourselves as a manufacturer of military antennas for a number of European countries - with an agent in Turkey. We believe that our ability to design and manufacture will meet the needs of all customers. Our military antennas meet military specifications. We manufacture a wide variety of antenna jammers, handheld and manpack antennas, antenna goosenecks, antenna whips, and so on. With a Mast antenna - AM-D120-HA135-RA - the product meets MIL- standards, has a payload of 30Kg, a mast lifting time of fewer than 5 minutes, and can be performed with a Control box or hand-held controller. The product also includes an Emergency Button and an automatic stop system. Furthermore, the product MJ-05M06G03A-NF - one of the most popular today - is 1.5kg light, has high features, and is simple to install, with frequency levels ranging from 500MHz to 6GHz, 3DBi. Not only that, but for many years we have been a supplier of FT-7500 - Marine antenna for the region.

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原來，這些發射的衛星遭到地磁風暴的嚴重影響，造成發射阻力比之前淩駕 50%，使衛星沒法到達環繞地球的准確軌道而被摧毀。星鏈計畫是SpaceX推出的一項透太低軌道衛星群，供給籠蓋全球的高速網際網路存取辦事。

原始貫穿連接

為了應對危機，Starlink團隊批示衛星進入平安模式，並進行「側翼遨遊飛翔」（edge-on flying）以削減阻力，有用地避開地磁風暴，但估量有多達40顆衛星會重新進入或已進入地球大氣層中。不外 SpaceX 也強調，這些脫軌的衛星在進入大氣層後就會燃燒燒毀，這也意味著衛星碰撞機率為零，也不會有軌道碎片產生，乃至是衛星零件掉落地面的環境。

眾所皆知，SpaceX 計畫發射 1萬2千顆衛星，也就是星鏈計畫（Starlink），至今已發射約 2千顆，不外SpaceX 在3日透過旗下獵鷹 9 號火箭再度發射 49 顆衛星卻蒙受不小攻擊。

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The horn antenna is a broadband passive device, shaped like a pyramid horn, referred to as a TEM antenna, which guides the beam of radio waves at a precise frequency. FT-RF Double Ridged Horn antennas have frequency capabilities ranging from 400MHz to 40GHz depending on type and style. These series are characterized by a huge frequency range and extremely high input powers. With increasing frequency, the gain rises to a maximum of 18 dBi. At higher frequencies, the increased gain compensates for the increasing cable losses.

The advantages of Horn antenna:

- Wide bandwidth: Because the horn antenna has no resonant parts, it can function over a wide range of frequencies.

- Easy waveguide interface: These antennas are very easy to interface to waveguide due to their shape, but they can also be designed with a transition so that a regular coaxial feeder can be used.

- Easy to make, simple design.

The horn is suitable for both transmitting and receiving purposes, especially suitable for EMC and immunity test measurements.

Recommended Accessories

- 天線三腳架: easy and fast-changing polarisation. 100% stable handling

- SMA Cable: High-quality special SMA cable

[周刊王CTWANT] 特斯拉開辦人馬斯克（Elon Musk）旗下的航太科技公司（SpaceX）近期積極發射衛星，但卻受到一場地磁風暴衝擊，3日發射的49顆衛星中有40顆被摧毀，固然會造成衛星墜落，但SpaceX默示，衛星進入大氣層後就會經燃燒而消失，不會撞擊到地面。

憑據SpaceX 8日在官網透露表現，49 顆衛星遭受嚴重的地磁風暴，導致大氣變暖並使其密度增添，讓大氣阻力急升 50%，造成發射後的衛星沒法順遂抵達既定的正確軌道。

本文出自: https://tw.news.yahoo.com/%E9%A6%AC%E6%96%AF%E5%85%8B%E8%99%A7%E5%A4%A7%E4%BA%86-%E5%A0%B4%E5%9C%B0%

FT-RF Outoodr | Indoor | Horn | Military Antenna