Posts tagged as:

frequency.

The ARRL RFI Handbook; Practical Cures for Radio Frequency Interference

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Product Description
Here’s complete data on every one of the amateur radio satellites – current and past – since Oscar 1 went up on December 12, 1961. Curtis presents a history of the amateur radio satellite movement, then explains how amateur satellites work and provides full frequency and transponder mode information. One chapter looks at amateur radio satellites scheduled for future launch, another discusses amateur radio in space shuttles and space stations. Anyone int… More >>

The Hamsat Handbook: A Complete History and Frequency Guide to Amateur Radio Satellites

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Where can I find an updated Emergency Communications Frequency List for the state of Utah?

February 13, 2010
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Is radiation from a UHF frequency wireless microphone harmful?

February 6, 2010

I use a wireless UHF headset microphone system at work. I use it nonstop. I could switch to a wired system but it would be a little less convenient – worth doing so if the wireless one is harmful, but not if the wireless is OK.
So . . . does anyone know if this UHF [...]

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Radio Transmission – Rigid pcb for Radio Frequency application

January 2, 2010

Radio wave are easy to generate, can travel long distances and penetrate buildings, so they’re widely used for communication, both indoors and outdoors. Radio waves also are omnidirectional, meaning that they travel in all directions from the source, so that the transmitter and receiver do not have to be carefully aligned physically.

The properties of radio [...]

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WWV Verier dial calibration to 25Khz marker frequency.

December 26, 2009

WWV Verier dial calibration to 25Khz marker frequency. WWV is the world standard for Time and Measurement. Here I’m attempting to calibrate my Kenwood Amateur Radio transceiver vernier dial and the internal marker oscillator to aa zero-beat note. When the squeal drops down in pitch and volume, it means the two frequencies are aligned.

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