Author: Razvan

WSPR and antenna radiation pattern

WSPR seems to be not just a tool for actively monitoring the propagation status, but it can also help you trace the radiation pattern of your antenna. Of course, for a reasonable trace we would need WSPR stations all over the...

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SDR Basics explained

I just found a great video that explains exactly how Software Defined Radio (SDR) works, directly from the guys at FlexRadio. If you’re interested in SDR, in ham radio or radio communications in general, this is one...

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Kenwood TS-990S revealed

The long awaited contest-class rig from Kenwood, the TS-990S, is bound to make the grand debut probably this month, after a series of teasers have stirred up the spirits and imagination of amateur operators all over the world....

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Flex SmartSDR revealed

SDR technology is probably the biggest thing in ham radio in the years to come, and the direct digital sampling based transcievers can offer a whole new range of posibilities to the avid amateur operators. The Flex-6000 series...

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Tmate2 – external CAT console

SDR recievers and transcievers often suffer from the lack of a proper interface with the user;  the computer’s mouse and keyboard do not offer the same warm feeling of direct control as a proper knob and a nice set of firm...

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Elecraft KX3 vs Yaesu FT-817ND

Update:  After a few years of owning the FT-817nd and using alot of other equipment, I revisited this topic: Yaesu FT-817, Elecraft KX3 and other portable HF radios I am looking lately at a transciever for portable operations...

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