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A Simple Multi-Band Wire Antenna for HF

Multi-Band Ladderline fed Doublet Diagram

Few things are more versatile than a simple wire antenna when working HF. Presented below is the Ladder Line Fed Doublet Antenna, or simply, “doublet antenna”. This antenna is one of the most popular wire antennas since it is so simple to build and it’s usable on practically any band on which an antenna tuner …

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Gallery: Winter Field Day 2017

The Columbia Amateur Radio Club participated in Winter Field Day on Saturday, Jan. 28.

More than 30 amateurs joined in the fun at the home of W4THA, where we operated in moderate temperatures outdoors with at least nine transmitters.

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Permanent link to this article: http://w4cae.com/gallery-winter-field-day-2017/

Column: HAM? HAM radio? ham radio? Amateur Radio? amateur radio!

On the ARRL PR mailing list, we’ve been discussing the proper way to refer to amateur radio. What brought this up was an email from one list subscriber, Richard, WB6NAH, who was (rightfully) proud of the work that his club—the Skagit Amateur Radio Emergency Communications Club—was doing. He noted that they were even featured in …

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Permanent link to this article: http://w4cae.com/column-ham-ham-radio-ham-radio-amateur-radio-amateur-radio/

Column: Noise floor report does not inspire confidence

By Dan Romanchik, KB6NU

Last June, the FCC’s Technical Advisory Committee asked licensed and unlicensed users of the electromagnetic spectrum to answer some questions about the noise they were experiencing and whether or not it was affecting their services. Specifically, they asked:

Is there a noise floor problem? Where does the problem exist? Spectrally? Spatially? …

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Permanent link to this article: http://w4cae.com/column-noise-floor-report-does-not-inspire-confidence/