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The Basics Of Quadrifilar Helix Antennas
2015-03-10 15:14:29| rfglobalnet Home Page
From its almost accidental origins, the axial mode helix antenna has gone from a young professor’s laboratory curiosity to one of the most widely used antennas for UHF and microwave communications. With the explosive growth of satellite-based services, the ability to receive or transmit a tight beam of circularly polarized radiation while minimizing unwanted radiation is imperative to maintaining good communication. The axial-mode helical antenna provides a high performance and robust antenna platform both in space as well as on the ground.
WiFi Basics Part 1: Frequencies and Channels
2015-03-10 10:15:26| Wireless - Topix.net
In 1947, the International Telecommunication Union , a UN agency, designated certain bands of the RF spectrum as ISM. The idea was to have an international standard of frequencies that were reserved for Industrial, Scientific, and Medical equipment.
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channels
basics
wifi
iPhone basics for beginners
2015-02-23 14:26:39| Wireless - Topix.net
If you're moving from Android, Windows Phone or BlackBerry to iPhone then it might take a little while to adjust, as a number of things are done differently on iOS. The good news is that Apple's operating system is one of the simplest and most intuitive around, so it's not too hard to learn.
BWT Basics: Evaluating the Options
2015-02-12 11:11:00| Offshore Technology
Ultraviolet and electrochlorination treatments - the two mainstream BWT options - confront shipowners with some difficult choices, writes Stevie Knight, in the February issue of The Motorship.
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basics
evaluating
bwt
Paragon Steel "Back to Basics"
2015-02-10 11:31:39| Industrial Newsroom - All News for Today
2014 was a year where Paragon Steel returned to its roots: distribution and steel service. For the past several years Paragon Steel had expanded from distribution and processing into fabrication and construction. We learned a few things along the way. First and foremost is we did not want to compete against our...
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steel
basics
paragon
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