Changes to CARC Swapfest

The CARC Swapfest will be held on April 1 this year. The location has CHANGED. The swapfest will now be held at the abandoned Kmart parking lot located at 7325 Two Notch Rd, Columbia, SC 29223. (Click for a map)

This is a tailgate-style event. Power hookups are not guaranteed. You must bring your own tables/chairs. Admission is free.

Permanent link to this article: http://w4cae.com/changes-to-carc-swapfest/

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/

Gallery: The 2017 Harbison 50K

15941234_10209589537467919_5637191383217336034_nThe Columbia Amateur Radio Club supported the Harbison 50K ultra-marathon for the fourth straight year. A dedicated group of amateurs braved record cold temperatures, ice and snow, to keep runners safe during this all-day event.

Photos by Dallas Epperson, KM4JGC, and Tammy Livingston, N4TAL

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Permanent link to this article: http://w4cae.com/gallery-the-2017-harbison-50k/

Column: Noise floor report does not inspire confidence

Dan, KB6NU

Dan, KB6NU

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? Temporally?
  • Is there quantitative evidence of the overall increase in the total integrated noise floor across various segments of the radio frequency spectrum?
  • How should a noise study be performed?

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

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