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How-Tos

  1. Ferrite Beads and Toroids in Amateur Radio by W7YP

    File: 
    application/pdf iconFerrite Beads and Toroids in Amateur Radio.pdf

    How to use ferrite beads and toroids to suppress common mode currents and other noise in coax and cables. Covers symptoms of such unwanted currents, choosing the right mix type and proper placement.



  2. Ham Radio with Android, by W7EFL

    File: 
    application/pdf iconAndroid Ham Radio.pdf

    Ham radio applications using an Android-based smartphone.

    Presentation by W7EFL, given on April 18, 2023



  3. Intro to Amateur Satellites

    File: 
    application/pdf iconFVARC Intro to Amateur Radio Satellites.pdf

    FVARC Presentation by Rick Fletcher on Amateur Radio Satellites.



  4. Introduction to APRS

    File: 
    application/pdf iconIntro to APRS.pdf

    Introduction to APRS - What it is, how it works and how to get started



  5. Introduction to HF Amplifiers - W7YP

    File: 
    application/pdf iconIntroduction to HF Amplifiers.pdf


  6. Introduction to WinLink

    File: 
    application/pdf iconIntroduction to WinLink.pdf

    An introduction to WinLink, a radio and Internet based email system which should be part of everyone's emergency communications toolbox.



  7. Measuring the Impedance/Suppression of Ferrite Beads and Toroids

    File: 
    application/pdf iconMeasuring Ferrite Beads and Toroids - Distribution.pdf

    The is the slide deck from W7YP's presentation given at the May 19, 2026 Flathead Valley Amateur Radio Club meeting.

    Topics covered include building a test station, choice of VNAs, configuring and calibrating the VNA, test fixtures, and measuring ferrite beads and toroids.



  8. Mobile Installations and RFI

    File: 
    application/pdf iconMobile Radio Installations and RFI.pdf

    Identifying and mitigating RFI in mobile radio installations.



  9. Radio Direction Finding

    File: 
    application/pdf iconRadio Direction Finding PDF Version.pdf

    This file is the PDF version of the PowerPoint slides used in W7YP's presentation on Radio Direction Finding, given at the September 17, 2024 club meeting.

    The presentation goes into detail on the automated RDF system by KrakenRF.



  10. Review of Station Grounding Requirements by W7YP

    File: 
    application/pdf iconReview of Grounding Requirements for Amateur Radio Operators.pdf


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