measurement

measurement

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• 4m Tall Vertical Dipole for 20m - TF3LJ
  
  Constructed in May 2008 this innovative 4m tall electrically full size halfwave vertical dipole tunable ...
  [ Hits: 95 | Votes: 0 | Rating: 0 ]

• Budget-Friendly 5-Element Quad Antenna Design - KD6GLF
  
  Constructing a 5 element quad antenna the author aimed for low cost and simplicity resulting ...
  [ Hits: 122 | Votes: 1 | Rating: 7 ]

• Homebrew 6 Element Yagi for 70cm - VK2PSW
  
  A fun little project I did over a couple of days was making this little ...
  [ Hits: 403 | Votes: 2 | Rating: 7.5 ]

• Extended Double Zepp NVIS Antenna Calculator - WestMountainRadio
  
  Extended Double Zepp measurements for all ham bands and online calculator The antenna is constructed ...
  [ Hits: 125 | Votes: 3 | Rating: 7 ]

• 9:1 Balun and Unun - ON7IR
  
  Homebrew a 9:1 transformer and measurement for testing purposes with a miniVNA
  [ Hits: 109 | Votes: 0 | Rating: 0 ]
• Baluns and Ferrites Basics - VE2AZX
  
  Unlock the secrets of RF signal optimization in a presentation covering Balun essentials diverse types ...
  [ Hits: 198 | Votes: 3 | Rating: 9.67 ]

• A Reversible Beverage at ZL3IX - ZL3IX
  
  How do two wire reversible direction Beverages work an excellent document that explains fundamentals of ...
  [ Hits: 525 | Votes: 0 | Rating: 0 ]

• Fan Dipole Antenna for 40 20 and 6 meters - PA0ROB
  
  A fand dipole antenna home made for the 7 14 50 MHz This article descbribes ...
  [ Hits: 329 | Votes: 0 | Rating: 0 ]

• Spiderbeam VS Hex Beam - DJ0IP
  
  Differences of Hex Beam and Spiderbeam antennas designs performance and measurements rotor considerations when using ...
  [ Hits: 411 | Votes: 6 | Rating: 9.67 ]

• Antenna Measurements - Bevelacqua
  
  Testing of real antennas is fundamental to antenna theory The most common and desired measurements ...
  [ Hits: 61 | Votes: 1 | Rating: 10 ]

• Performance of 49:1 Ferrite Core Transformers - AF7NX
  
  There are quite a few recipes for building a suitable transformer for an end fed ...
  [ Hits: 151 | Votes: 4 | Rating: 7 ]

• MSL - Mechanical Systems Lehmann - Telescopic Masts and Towers
  
  Specialist for vertically adjustable supporting frameworks including telescopic masts and telescopic towers for ham radio ...
  [ Hits: 202 | Votes: 0 | Rating: 0 ]

• HF Radio Propagation Forecast - 4X4XM  ^updated
  
  This page offers radio amateurs experienced and beginners a useful overview and tutorials on HF ...
  [ Hits: 363 | Votes: 20 | Rating: 8.85 ]

• NanoVNA-H 900 MHz Upgrade - hugen79
  
  NanoVNA based on edy555 use the odd harmonic extension of si5351 to support the measurement ...
  [ Hits: 191 | Votes: 0 | Rating: 0 ]

• AF signal function generator for Windows - Bernd Reiser
  
  Windows signal function generator sotfware offers 4 main channels 4 modulators 1 measurement generator 1 ...
  [ Hits: 622 | Votes: 4 | Rating: 3 ]

• SNASharp - F4HTQ
  
  SNASharp is a free software application designed to work with scalar network analyzers compatible with ...
  [ Hits: 69 | Votes: 0 | Rating: 0 ]

• The definitive guide to RF Power measurement - QRP Labs
  
  RF Power measurement using a DVM RF Power measurement using an RF detector RF Power ...
  [ Hits: 137 | Votes: 0 | Rating: 0 ]

• Common-mode chokes Measurements - IN3OTD
  
  Common mode chokes are useful solutions for RFI reduction Winding a few turns of coaxial ...
  [ Hits: 156 | Votes: 1 | Rating: 8 ]

• Blocking Dynamic Range in Receivers - SM5BSZ
  
  An explanation of the different procedures and definitions that are commonly used for blocking dynamic ...
  [ Hits: 176 | Votes: 0 | Rating: 0 ]

• Hermes-Lite SDR Project - IN3OTD
  
  The author has build the Hermes Lite SDR v1 and v2 versions describing with a ...
  [ Hits: 159 | Votes: 2 | Rating: 8 ]

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