out of band

out of band

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• Mag Loop for 40 m - ZL1BJQ
  
  A page about a Magnetic loop antenna project for the 40 meters band includes nice ...
  [ Hits: 2444 | Votes: 11 | Rating: 7 ]

• Mini-Whip Active Antenna - Ivan Sergeev
  
  This HF active antenna is a build of the PA0RDT Mini Whip from a kit ...
  [ Hits: 95 | Votes: 0 | Rating: 0 ]

• The Double Bazooka Antenna - A Review - Rob Wagner
  
  Here is a review of the 40 and 80 meter band Double Bazooka antennas as ...
  [ Hits: 1133 | Votes: 4 | Rating: 5.5 ]

• Halo Antenna for 50 MHz - KP4MD
  
  A well documented article about construction and analysis of a horizontally polarized halo antenna for ...
  [ Hits: 1504 | Votes: 5 | Rating: 5 ]

• Homebrew traps
  
  Traps can be one way round multiband coverage without the need of an atu Learn ...
  [ Hits: 3772 | Votes: 3 | Rating: 5.33 ]

• Getting The Most Out Of LowFER Antenna
  
  Getting the most out of LowFER transmitting antennas designing an efficient antenna for the 1750 ...
  [ Hits: 754 | Votes: 0 | Rating: 0 ]

• HF / VHF Mobile Antenna by K0EMT
  
  A 10 Bands mobile antenna for about the price of 2 mobile monobanders.
  [ Hits: 2518 | Votes: 1 | Rating: 1 ]

• Errante's 225 Ohm multiband HF antenna - Francesco Errante
  
  Unlocking the full multiband potential of the 225 Ohm elementary radiator in a folded monopole ...
  [ Hits: 1303 | Votes: 3 | Rating: 7 ]
• The N3UJJ Antenna Project - N3UJJ
  
  The N3UJJ antenna project parallel cage dipole a multi band horizontal antenna without the need ...
  [ Hits: 755 | Votes: 2 | Rating: 10 ]

• OCF Dipoles
  
  About windom antennas and OCF dipoles tricks on covering more bands moving feed points and ...
  [ Hits: 670 | Votes: 0 | Rating: 0 ]

• Antenna resonance and bandwidth
  
  About antenna or aerial resonance and bandwidth and the impact of RF antenna resonance and ...
  [ Hits: 421 | Votes: 0 | Rating: 0 ]

• Discone antenna
  
  About the basics of what is a discone antenna for wide band or bandwidth omnidirectional ...
  [ Hits: 926 | Votes: 1 | Rating: 2 ]

• Occupied bandwidth of CW
  
  About keying speed affecting occupied bandwidth of a transmitter.
  [ Hits: 338 | Votes: 2 | Rating: 4.5 ]

• FL2100 - 12 meter band mod
  
  Adding a full power output 12 meter band capability to the Yaesu FL 2100 despite ...
  [ Hits: 548 | Votes: 1 | Rating: 1 ]

• Beacons app for Windows - Stefan Heesch, HB9TWS
  
  Shows which beacon is currently transmitting on the selected radio band Displays information about transmitting ...
  [ Hits: 881 | Votes: 0 | Rating: 0 ]

• 2.3GHz ATV TX
  
  Ian G6TVJ design for a synthesised ATV transmitter covering the 13cm band and beyond up ...
  [ Hits: 581 | Votes: 2 | Rating: 7 ]

• Measuring Zs in solid-state amplifier
  
  Measuring the output impedance Zs of solid state broadband HF amplifiers operating in class AB ...
  [ Hits: 488 | Votes: 0 | Rating: 0 ]

• The Minima QRP HF RTX
  
  The Minima is a simple and easy to operate transceiver for all the HF bands ...
  [ Hits: 1253 | Votes: 3 | Rating: 6.67 ]

• Homebrew 40m CW Transceiver
  
  7N3WVM homebrew project of a 3 W output CW transceiver on 7 MHz band ...
  [ Hits: 1482 | Votes: 0 | Rating: 0 ]

• Wideband SWR meter
  
  About SWR, and use of SWR Meter, home made a swr meter.
  [ Hits: 5563 | Votes: 7 | Rating: 7.43 ]

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