Tag Archives: Amateur Radio

When Setting Up An Emergency Station Respect Other People’s Property

There are some who may read this post and wonder if it is necessary for me to say these things. After observing humans for over 65 years and seeing how they treat other people’s property I say yes it is … Continue reading

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Encourage Young People into Ham Radio

Amateur radio still servers an important function in our society. When old timers like me go silent key it is the younger generation that will keep it going. Encourage young people into ham radio and encourage them to be active. … Continue reading

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The Sacramento Valley ARES Website

As any regular reader of this blog knows, I firmly believe using ham radio during an emergency situation is of great importance in to the well being of our communities. Cell phones, land line telephone, and internet are very effective … Continue reading

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The Fascination of The Spark

Many people consider history to be a very boring subject, but most regular readers of this blog probably realize that I have a certain fascination with history especially radio history. If you are one of those who find history boring … Continue reading

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WE MUST SAY GOODBYE TO ANOTHER GREAT NAME IN HAM RADIO

On September 13, 2013 Wayne S. Green II, W2NSD (Never Say Die”) became silent key. Green was well known in the ham radio community as one who was not afraid to make his opinion known especially during the 1950s and … Continue reading

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Who Is Oleg Losev?

Oleg Vladimirovich Losev (Russian: Олег Владимирович Лосев) was none other than the first person to record his findings in regards to Light Emitting Diodes (LED). Though he only lived to be 39 years old, May 10, 1903 – January 22, … Continue reading

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Dealing With Secondary Emission in Tetrodes

As we saw in earlier posts the diode vacuum tube (or valve) became a triode by inserting a grid, known as the control grid, which allowed it to amplify audio and RF signals. The triode had a problem of interelectrode … Continue reading

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Let’s Add Another Grid to The Triode

Lee DeForest added the grid to the diode in 1908 and at that time radio signals below 200 meters (today we would say above 1.5 MHz remember as frequency goes up wave length goes down) was considered very high frequencies. … Continue reading

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Let’s Add A Grid to That Vacuum Tube Diode

The last post was about the vacuum tube diode. I forgot to mention for you European and other readers when I speak of a vacuum tube it might be what you call a valve. The term valve is a very … Continue reading

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Vacuum Tubes Are Alive And Well on Planet Earth

There is a lot of talk about the old days and vacuum tubes. It would seem that some hams think there is no place for the vacuum tube. It was recently that I was talking to my grandson, a radio … Continue reading

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