out band

out 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: 201 | Votes: 0 | Rating: 0 ]

• 8010 Enfed Antenna - F5NPV
  
  With this antenna the coverage is 80 40 20 15 and 10 meter band without ...
  [ Hits: 143 | Votes: 0 | Rating: 0 ]

• VE6LK Fan Dipole - VE6LK
  
  Multiband dipole antenna working on 80 40 20 15m a 3 element antenna 15m being ...
  [ Hits: 164 | 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: 233 | 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 ]

• Outdoor 80m/40m bands Magnetic loop antenna - PA0NHC
  
  No matching adjustments needed Directly perfect match to 50 Ohms using a remotely switched wideband ...
  [ Hits: 225 | 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: 276 | Votes: 0 | Rating: 0 ]

• The Weird Antenna Wire End Effect - VA3KOT
  
  A half wave wire that is tuned for resonance on 80m will NOT be resonant ...
  [ Hits: 95 | Votes: 0 | Rating: 0 ]
• 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: 156 | Votes: 6 | Rating: 7 ]

• HF DXView Propagation Map - NG0E
  
  This map shows real time radio propagation from stations operating on 11 bands between 1 ...
  [ Hits: 308 | Votes: 5 | Rating: 7.6 ]

• A Magic Ground Mobile Antenna - VA3KOT
  
  Experimenting and testing vertical antenna for HF bands on mobile operations.
  [ Hits: 113 | Votes: 0 | Rating: 0 ]

• Buddipole Dipole Assembly - Rob Norman, VK5SW
  
  Rob, VK5SW shows the simple assembly of the portable Buddipole multiband dipole antenna.
  [ Hits: 93 | Votes: 0 | Rating: 0 ]

• 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: 176 | Votes: 0 | Rating: 0 ]

• IC-7300 Arduino Based Antenna Switch - G4HSK
  
  An Arduino Based Antenna Switch For The IC 7300 that monitors the band voltage from ...
  [ Hits: 125 | 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 ]

• 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: 112 | Votes: 0 | Rating: 0 ]

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