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Articles

Below are a list of articles pertaining to Amateur Radio interests and operations.

Demystifying Amateur Radio Call Signs

WCC Remembered

Getting Started with FM Satellites

Getting Started with APRS

VHF/UHF Band Plan for Repeater Use

Repeater Safety

Learning Embedded Controller Electronics Online

Ethics and Operating Procedures for Amateur Radio

Cable Winding… The RIGHT Way

APRS Over Internet

Help! My Receiver is Deaf!

 

RAWNY's Ham Radio and Technology Fair

Jim, KA2IWK and Mark, KD2QAR make adjustments to Mark's radio so that a CW contact can be made with WA1WCC.

RAWNY’s Ham Radio & Technology Fair

In the above image, Jim, KA2IWK and Mark, KD2QAR make adjustments to Mark’s radio so that a CW contact can be made with WA1WCC. More information about the Marconi Ship-to-Shore station, WCC, can be found here.

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Current Solar Conditions

What's important here is the K-Index, typically 0-9, and the SFI (Solar Flux Index), typically 50-300.

The lower the K, the quieter the atmosphere and the ham bands! However, the lower the SFI, the lower the MUF or Maximum Usable Frequency.

So, if for example, if you have a K of 1, nice and quiet, you might have a SFI of 50 which would mean that 20 meters might not be usable... The 'Calculated Conditions' section, above, summarizes this data and gives you a snapshot of what the band conditions should be when you are tuning around.

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