The Richardson Wireless Klub > RWK News > Technical
Technical
Chip Coker KD4C
January 29, 2022
By Chip Coker KD4C Have you always thought that antennas were “magic”? Well hopefully you understand that there is actual physics involved in the way antennas work, even if it’s not obvious to us. In the past, RF engineers had…
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Chip Coker KD4C
October 25, 2021
By Chip Coker KD4C By now, you may have seen or heard that the FCC published a change to their regulations in December 2019 that changes the Rules on RF Exposure evaluations. In short, in the past the Amateur Service…
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Chip Coker KD4C
October 25, 2021
By Jon Suehiro NN5T You see this image on RWK home page – https://www.k5rwk.org/ . But what does it mean? You also hear about Solar Cycle 25. What do you need to know about the current propagation and solar conditions?…
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Chip Coker KD4C
October 24, 2021
By Joe Hodgkins KI5O With wonderful consideration from Doug KD5OUG and direction from Grant W5XJ, I was fortunate to take intopossession an incomplete Knight T-60 Transmitter. Upon receipt of the contents in an original Knight box, I foundthe following correspondence…
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Chip Coker KD4C
October 5, 2021
By John Slaughter WB5HSI Recently I was faced with trying to repair a battery-operated device and had the usual problem of how to make connections to the battery. Normally a spot welder is used to weld nickel strips to the…
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