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m tech

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• DF9CY 11 Element for 432 MHz - Christoph
  
  A short good performing antenna for 70cm
  [ Hits: 1781 | Votes: 0 | Rating: 0 ]

• Wire Dipole for 7.05 MHz - Christoph
  
  Inverted Vee antenna for 40m with simulation data by DF9CY
  [ Hits: 1626 | Votes: 0 | Rating: 0 ]

• The Coaxial Line
  
  Impedance matching, Transmission Lines, Characteristic Impedance, VSWR & Mismatch and Antenna Losses
  [ Hits: 888 | Votes: 0 | Rating: 0 ]

• Noise Reduction on 40m - Christoph
  
  DF9CY implementation of W1HIS suggestion of inserting a common mode choke into a 40m antennas ...
  [ Hits: 1384 | Votes: 0 | Rating: 0 ]

• Choosing antenna mounting method
  
  Article on mobile antenna mounting methods by Firestik
  [ Hits: 1325 | Votes: 0 | Rating: 0 ]

• Radiation Characteristics
  
  Tailoring Patterns for HF Verticals
  [ Hits: 246 | Votes: 0 | Rating: 0 ]
• Polarization, lines of force
  
  While polarisation may seem insignificant compared with other considerations in setting up a communications system ...
  [ Hits: 526 | Votes: 0 | Rating: 0 ]

• About Antenna Gain
  
  Explanation of antenna basics concepts like antenna gain at marc's technical pages
  [ Hits: 7574 | Votes: 14 | Rating: 5.85 ]
• Antenna Gain to ERP
  
  A radio s transmitting power can be concentrated along the horizon by use of a ...
  [ Hits: 1386 | Votes: 4 | Rating: 4.5 ]

• ZX 6-6 50 MHz Yagi Antenna
  
  Antenna dimension diagram and simulation of the ZX Antennen ZX 6 6 Yagi for VHF ...
  [ Hits: 1143 | Votes: 0 | Rating: 0 ]

• DX-pedition site planning
  
  Using RadioMobile to evaluate Meteor Scatter DX-pedition sites
  [ Hits: 289 | Votes: 1 | Rating: 9 ]

• Operating NVIS - N4UFP
  
  Near Vertical Incidence Sky Wave NVIS Propagation PPT presentation by Marc C Tarplee Ph D ...
  [ Hits: 1645 | Votes: 4 | Rating: 9.5 ]

• Yaesu FT-102 page
  
  Relay substitution tutorial, power amplifier tuning and Technical Characteristics
  [ Hits: 901 | Votes: 2 | Rating: 4 ]

• ICOM IC-706MKIIG Tech Note
  
  If your IC 706MKIIG will not power up without even hearing a relay click check ...
  [ Hits: 2933 | Votes: 9 | Rating: 7.22 ]

• DF9CY Technical Articles and Material - Christoph
  
  A collection of technical articles on antennas, radios and other stuff.
  [ Hits: 894 | Votes: 1 | Rating: 8 ]

• When negative meets positive
  
  Lightning can be a serious hazard depending where you live in the world Chances are ...
  [ Hits: 430 | Votes: 1 | Rating: 9 ]

• How To Solder - Aaroncake
  
  Pictures and description for a perfect soldering.A tutorial on soldering technique includes videos.
  [ Hits: 1075 | Votes: 1 | Rating: 7 ]
• De-soldering
  
  An overview of some of the ways and the key tips on how electronics soldered ...
  [ Hits: 1077 | Votes: 0 | Rating: 0 ]
• How to solder
  
  Key facts about how to solder how to solder wire how to solder pcb s ...
  [ Hits: 751 | Votes: 0 | Rating: 0 ]

• ICOM Soundcard Interface - Christoph
  
  IC820H or other Icom Radios Soundcard interface for VHF EME use by DF9CY
  [ Hits: 1497 | Votes: 0 | Rating: 0 ]

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