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  The Chehalis Valley
 Amateur Radio Society
A  501(c)(3) Non-profit 		          
 
 

Electronics Workshop - August 28, 2025

Time & Location:

Topics:
  1. AC Power Engineering
  2. Common Mode Current Detector

  3. Potpourri
    1. Magnetic Loop Antenna
    2. Ham Dashboards Revisited

Notes:
AC Power Engineering:
  1. War of the Currents:
    https://www.energy.gov/articles/war-currents-ac-vs-dc-power
  2. World's Columbian Exposition (Wikipedia):
    https://en.wikipedia.org/wiki/World%27s_Columbian_Exposition
  3. World's Columbian Exposition:
    https://www.architecture.org/online-resources/architecture-encyclopedia/worlds-columbian-exposition-of-1893
  4. Electric Power Transmission:
    https://en.wikipedia.org/wiki/Electric_power_transmission
  5. North American Electric Reliability Corporation:
    https://www.nerc.com/Pages/default.aspx
  6. List of Power Stations in Washington:
    https://en.wikipedia.org/wiki/List_of_power_stations_in_Washington
  7. 60Hz US Power Grid and Precision Timekeeping:
    https://boards.straightdope.com/t/60hz-us-power-grid-and-precision-timekeeping/429041
Common Mode Current Detector:
  1. AliExpress Field Strength Meter:
    https://www.aliexpress.com/i/3256806818142418.html
  2. Amazon Field Strength Meter:
    https://amzn.to/4kPfuUA
  3. YouTube "EASY DIY Ham Radio CMC Meter for CHEAP!":
    https://youtu.be/N5OggeoR9IM

Potpourri
Magnetic Loop Antenna:
  1. Nuts and Volts Construction Article:
    https://www.nutsvolts.com/magazine/article/practical-ideas-for-portable-magnetic-loop-antennas
  2. Small Transmitting Loop Antenna Calculator:
    https://www.66pacific.com/calculators/small-transmitting-loop-antenna-calculator.aspx
Ham Dashboards Revisited:
  1. Hamshack Dashboard:
    https://nject.us/HAMSHACK-DASHBOARD-O.html
  2. Ham Dash:
    https://github.com/VA3HDL/hamdashboard

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