Rewarding Correspondence!

Kelly is from Charleston, South Carolina and she recently sent the below email to our secretary Russell Jacobs – VK2BJP. Very nice to know our website is being read from so far away! “Hi Mr. Jacobs, I hope your week is going well so far! My daughter Danielle has been spending some time with her grandparents when school gets out before […]

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Understanding modern digital modulation techniques

Understanding modern digital modulation techniques Fundamental to all wireless communications is modulation, the process of impressing the data to be transmitted on the radio carrier. Most wireless transmissions today are digital, and with the limited spectrum available, the type of modulation is more critical than it has ever been. Read the full PDF article here: Source: Electronic Design. Lou Frenzel […]

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Digital Voice Radio

Digital Voice Radio just became a lot easier “In the not so distant past”Sounds like the preamble of a book or movie. If you, are about to make the move into digital radio, you will be presented with choices, these will have an impact on your pocket and whom you will be able to talk to. Looking for what gives […]

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Wireless-X The Bible

Wireless-X The Bible By Dewey L. Hee WB7OEV In his Prior life was a System Administration working for the Boeing Company. He became interested in Amateur radio while working for the Boeing company in 1972… He began to wonder what else he could do with the FTM 400 and discovered this mode called Fusion, (CFM) and got bitten with the […]

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Digital Radio Hot Spot

Digital Radio Hot Spot If you’re like me, deciding to embark upon the world of digital radio, confusion is likely to be the result, likely to make you abandon the whole idea, going back to what you know and understand. However the digital mode experiencing rapid growth is DMR, but like all the others, requires a radio that uses that […]

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How much fuel is in your battery?

How much fuel is in your battery? The best way to determine the state of charge of a battery A battery is a store of energy. It can be considered as a container of water that is either full or empty. With a water container it’s easy to determine how much water you have left in the container. Similarly on […]

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How to calculate decibels

Are You Confused On How to Calculate Decibels? What is a logarithm ? The simplest definition of a logarithm is that of numerical result of a number raised to some power For example 10 x 10 = 100 can also be written as 10¬2 or Log10 (100) Note that in the statement “Log10” the base is stated with the number […]

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Product of Interest…

Inexpensive VHF/UHF Band HAM Amateur Radio Modules DRA818V/U DRA818V or U is a type of compact wireless voice transceiver module based on RFIC and works in VHF or UHF bands. It integrates high speed microcontroller, high performance wireless transceiver IC, high power PA, audio process and squelching circuits. It provides standard UART interface which users can easily configure appropriate parameters […]

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Duplexer or Diplexer

Confused? Essentially there is no difference, be it a Diplexer that has the capability to handle power isolating the RX, or the design allowing the split of the ports to handle power in both directions. To the purists, the definition stated in the linked site is correct, but in practice a device that either combines two differing frequencies to one […]

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