0 30 mhz

0 30 mhz

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• Shortened 30m Dipole - DK1MI
  
  This article describes the construction of a 9 50 m long dipole for the 30 ...
  [ Hits: 126 | Votes: 1 | Rating: 1 ]

• End Fed Antenna for WARC Bands - PA3DWC
  
  I used a FT 240 43 for much more power not needed but beter safe ...
  [ Hits: 188 | Votes: 1 | Rating: 3 ]
• TEFV Terminated End Fed Vee Antenna - VU3DXR
  
  The Terminated End Fed Vee Antenna TEFV is a travelling wave antenna with constant current ...
  [ Hits: 188 | Votes: 2 | Rating: 6.5 ]

• Chokes and Temperature changes - PA0NHC
  
  The influence of temperature changes in Common Mode Chokes To get an indication of the ...
  [ Hits: 46 | Votes: 0 | Rating: 0 ]
• RF Choke with Bifilar Windings - rjbono
  
  This article presents an RF Choke featuring an 11 bifilar turn winding of 14 house ...
  [ Hits: 87 | Votes: 0 | Rating: 0 ]

• Halo Antenna for 50 MHz - kk5jy
  
  The antenna described in this article is for 50 MHz but the design can be ...
  [ Hits: 302 | Votes: 0 | Rating: 0 ]

• Portable magnetic loop antenna - VK3IL
  
  A portable loop antenna made with a 3 meter loop resonates with the chosen capacitor ...
  [ Hits: 167 | Votes: 2 | Rating: 9 ]

• 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 ]

• Active 3-30 MHz Hula-Loop Antenna for Shortwave - Charles Wenzel
  
  This active antenna for the shortwave band provides surprising performance even indoors As the name ...
  [ Hits: 160 | Votes: 1 | Rating: 10 ]

• Spiral Antenna for SDR - RTLSDR
  
  Designing and Testing a PCB Wideband Spiral Antenna The 800 MHz and 300 MHz spiral ...
  [ Hits: 91 | Votes: 0 | Rating: 0 ]

• 20-30m Vertical Antenna - F6GLZ
  
  Homebrew project for a vertical antenna with a coaxial cable trap that works on 20 ...
  [ Hits: 73 | Votes: 0 | Rating: 0 ]

• Build a W3DZZ Antenna - N2LNO
  
  The purpose of this construction is to enable the realization of an HF antenna called ...
  [ Hits: 219 | Votes: 1 | Rating: 1 ]

• W6LVP Loop Antennas - W6LVP
  
  Magnetic loop receive antennas manufacturer W6LVP loops cover 2200 through 10 meters 135 kHz through ...
  [ Hits: 145 | Votes: 1 | Rating: 4 ]

• Amateur Service Spectrum Requirements at 7 MHz - IARU
  
  An information paper by the International Amateur Radio Union The amateur service seeks the return ...
  [ Hits: 94 | Votes: 5 | Rating: 10 ]

• Exploring the Spectrum From HF to UHF Frequencies - ARCAD
  
  During radio s early days high frequencies were under 30 MHz due to technical limitations ...
  [ Hits: 78 | Votes: 0 | Rating: 0 ]

• Ten-Tec RX-350 Review - N9EWO
  
  Review of the 150 kHz to 30 MHz Ten-Tec receiver
  [ Hits: 131 | Votes: 1 | Rating: 5 ]
• Icom IC-R8600 Review - N9EWO
  
  Review of the excellent ICOM IC R8600 Wide Band SDR communications receiver Featuring Direct Sampling ...
  [ Hits: 141 | Votes: 1 | Rating: 10 ]

• 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 ]

• 70 MHz 300 W Power Amplifier - EX8MLE
  
  This PA has been designed by Sergey EX8MLE and uses three Mitsubishi RD100HHF1 FETs Frequency ...
  [ Hits: 109 | Votes: 1 | Rating: 10 ]
• 50 MHz 300W Power Amplifier - VK3NX
  
  This project addresses the need for a 50 MHz Amplifier providing substantial power for Australian ...
  [ Hits: 71 | Votes: 0 | Rating: 0 ]

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