out of band

out of band

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• 30m Half -Size Rotary Dipole - G3YEU
  
  A rotary dipole antenna for 30 meters band Each arm is about 12 5 ft ...
  [ Hits: 200 | Votes: 0 | Rating: 0 ]

• TEFV Terminated End Fed Vee Antenna - VU3DXR
  
  The Terminated End Fed Vee Antenna TEFV is a travelling wave antenna with constant current ...
  [ Hits: 190 | Votes: 2 | Rating: 6.5 ]

• VE6LK Fan Dipole - VE6LK
  
  Multiband dipole antenna working on 80 40 20 15m a 3 element antenna 15m being ...
  [ Hits: 163 | Votes: 1 | Rating: 10 ]

• Helical Antennas for 144 MHz - W6NBC
  
  This article is about two excellent small helical antennas for the two meters band With ...
  [ Hits: 231 | Votes: 1 | Rating: 7 ]

• What is Horn Antenna - frambos
  
  Horn Antenna The energy of the beam when slowly transform into radiation the losses are ...
  [ Hits: 74 | Votes: 0 | Rating: 0 ]

• Enhancing Performance with W8JK/MOXON Antenna Variant - F5NPV
  
  F5NPV introduces a variant of the W8JK antenna design employing the MOXON principle With extended ...
  [ Hits: 183 | Votes: 0 | Rating: 0 ]

• Open-Folded W8JK Antenna for HF - F5NPV
  
  Originally designed by John Kraus W8JK in about 1940 this antenna has some interesting properties ...
  [ Hits: 141 | Votes: 1 | Rating: 3 ]

• The M0CVO HW-42HP OCF Antenna - M0CVO
  
  A multi band off centre fed dipole designed to operate on all bands from 40m ...
  [ Hits: 275 | Votes: 0 | Rating: 0 ]

• A Compact and Stealthy Field Portable Antenna - VA3KOT
  
  In the quest for an ideal field portable antenna the author recounts experiments involving various ...
  [ Hits: 156 | Votes: 1 | Rating: 1 ]

• Variations on a Dipole - AF7NX
  
  Antenna patterns are all about interference Presentation on wire antennas for HF bands Dipoles horizontal ...
  [ Hits: 98 | Votes: 0 | Rating: 0 ]

• VHF UHF Duo band Yagi Antenna - DK7ZB
  
  Duoband Yagi 2m 70cm with 4 Elements on 2 m and 5 Elements on 70 ...
  [ Hits: 155 | Votes: 6 | Rating: 7 ]

• Improving Icom IC-7300 ADC Aliasing - F5LOL
  
  The ICOM IC 7300 SDR radio has a very nice receiver for ham bands but ...
  [ Hits: 211 | Votes: 2 | Rating: 5.5 ]

• ICOM IC-R75 Review by N9EWO - N9EWO
  
  Icom IC R75 tabletop HF communications receiver came onto the market back in 1999 and ...
  [ Hits: 44 | Votes: 0 | Rating: 0 ]

• 20 W HF Power Amplifier - IN3OTD
  
  A HF power amplifier with a push pull of AFT09MS015N The small signal gain of ...
  [ Hits: 175 | Votes: 0 | Rating: 0 ]

• Bandpass Filter Calculator - learningaboutelectronics
  
  Passive Bandpass Filter online calculator and filter formulas Active Inverting Op Amp Bandpass Filters Active ...
  [ Hits: 171 | Votes: 3 | Rating: 5.33 ]

• Enhancing Frontend Performance with Optimized Band Pass Filters - PA3AKE
  
  This article explores the nuanced design challenges of Band Pass Filters BPF in radio receivers ...
  [ Hits: 82 | Votes: 0 | Rating: 0 ]

• The CW Typewriter: A Morse Code to ASCII Converter - AA5OY
  
  The CW typewriter is a compact adapter board that transforms Morse code into ASCII characters ...
  [ Hits: 122 | Votes: 0 | Rating: 0 ]

• Arduino Repeater Controller - AA5OY
  
  This blog article introduces an updated repeater controller project utilizing the Arduino UNO It includes ...
  [ Hits: 96 | Votes: 0 | Rating: 0 ]

• How RTL-SDR dongles work - PA3FWM
  
  Since 2012 the RTL SDR is the simple and cheap way to give Software Defined ...
  [ Hits: 129 | Votes: 1 | Rating: 10 ]

• Simple 2-tone generator - DK7IH
  
  A simple 2 tone generator for testing the linearity of SSB transmitters This device is ...
  [ Hits: 111 | Votes: 0 | Rating: 0 ]

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