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 SAL_30 Shared Apex Loop Array: A Wideband Directional Receiving Antenna for 500 KHz - 30 MHz


Effective communication on the LW, MW, and SW bands requires more than just a careful ear. You need the right gear to navigate through the jungle of interference that can be as close as your computer, or as distant as a thunderstorm on the other side of the globe. Interference, though isn't just a challenge for DX'ers - it's a challenge for net operators, rag chewers and county hunters too, military operations - in other words, it is a challenge to all of us!



We have developed a new type of receiving antenna that delivers exceptional directivity in a small package and is useable over a wide range of frequencies without need for adjustment. This new antenna is called the Shared Apex Loop Array antenna and it opens the door to a new class of compact, high performance, wideband receiving antennas developed for both amateur and professional users.



The antenna operates on the true-time-delay principle rather than the more traditional phased array methods. This method of operation enables outstanding bandwidth. For example, a 18 foot tall, 18 foot radius array can provide outstanding front-to-side and good front-to-back performance for continuous frequency coverage below 500 KHz to 16 MHz with good sensitivity above 1.8 MHz! A 10 foot tall, ten foot radius array provides continuous frequency coverage between 500 KHz to 22 MHz with good sensitivity above 5 MHz.



The patented and additional patent pending designs provides the following benefits:







































·        Compact Size, light weight


·        Wideband operation without need for adjustment


·        Ground independent operation


·        Outstanding front-to-side ratio


·        Ease of Construction, and simple single feed line control for data and RF


·        Modular design


·        Portability for DX-peditions, quick deploy operations, field day operations, emergency operations


·        Easily remote controlled with the Shacklan - 4 USB interface to your PC or a Ethernet Everywhere device.






































attachment Manuaali (Eng)
Tuottaja: Wikinggruppen

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