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Query: diy swr meter
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  • Digital SWR Meter with Arduino
    2.9/5 (18)
    Technical Reference > Arduino
    Digital SWR Meter with Arduino — KN9Bb
    Inline RF Power & VSWR Meter. A DIY meter 0 to 30 Watt with Average and Peak. Circuit Description, Arduino Nano software code and part list to DIY your own Digital SWR Meter
  • WiFi SWR meter
    2.5/5 (10)
    Technical Reference > SWR Meters
    WiFi SWR meter
    An home made SWR meter for 2.4 GHz. A DIY SWR meter that allow precise measurements and calibration of any WiFi antenna. This is test equipment everyone who build wifi antennas should have in their shack. Article is in french and include some videos.
  • Arduino SWR and Power Meter
    3.3/5 (3)
    Technical Reference > Arduino
    Arduino SWR and Power Meter — LB0MG
    The circuit is based on two AD8307 log amplifiers, which are connected to the forward and reflected ports on a directional coupler
  • DIY 40/30/20m Short Vertical Antenna
    No votes
    Antennas > Vertical
    DIY 40/30/20m Short Vertical Antenna — KW4JM
    This article documents the author's journey in building, modifying, and testing a DIY short vertical antenna for 40, 30, and 20 meters, with potential 80m capability. Initially inspired by Parks On The Air (POTA), the author explores pedestrian mobile operation and details various experiments to enhance antenna performance. The piece highlights challenges, SWR tuning, portability, and practical results, emphasizing a balance between efficiency and size. Ultimately, it showcases the adaptability of DIY antennas for portable ham radio applications.