tech

tech

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• Vertical Antenna for 7 MHz
  
  DF9CY experience on a vertical antenna for 40 meter band
  [ Hits: 1589 | Votes: 4 | Rating: 3.75 ]

• The 4 over 4 Yagi for use on 50 MHz:
  
  4 Stacked 4 element yagi for six meters band
  [ Hits: 459 | Votes: 0 | Rating: 0 ]
• 5 Element for 50 MHz simulation
  
  Simulation of the Konni Antennen 5 Element for 50 MHz
  [ Hits: 724 | Votes: 1 | Rating: 4 ]
• 6 Elements Yagi for 50 MHz
  
  A Six element antenna for the 50 MHz Amateur Radio Band v4 by DF9CY ...
  [ Hits: 640 | Votes: 1 | Rating: 10 ]

• 10 Element for 432 MHz
  
  DF9CY - 10 Element for 432 MHz Winkler Antennen
  [ Hits: 5484 | Votes: 17 | Rating: 6.65 ]
• 9 Element for 432 MHz
  
  DF9CY 9 Element yagi antenna for 70 cm band
  [ Hits: 2159 | Votes: 1 | Rating: 1 ]

• Understanding SWR by Example
  
  Take the mystery and mystique out of standing wave ratio QST Article by K5DVW ...
  [ Hits: 1710 | Votes: 6 | Rating: 7.57 ]

• New Technologies and Contesting
  
  How new technologies affect the art of contesting by DH1TW
  [ Hits: 389 | Votes: 0 | Rating: 0 ]

• Mendo Radio - Carl
  
  An informal group of ham radio operators sharing information and knowledge about radio related technologies ...
  [ Hits: 201 | Votes: 0 | Rating: 0 ]

• NP Technologies Inc - Lance Brady
  
  Design develop test and manufacture a wide range of Amplifier products including highly linear class ...
  [ Hits: 368 | Votes: 0 | Rating: 0 ]

• Drake TR-7 pages
  
  Collection of technical articles on the Drake TR7 by GW4ALG
  [ Hits: 620 | Votes: 0 | Rating: 0 ]
• Drake TR-7 Specifications
  
  Technical specification by Universal Radio
  [ Hits: 825 | Votes: 1 | Rating: 1 ]

• The YAESU FT817ND review
  
  A personal review about the Yaesu FT-817
  [ Hits: 879 | Votes: 1 | Rating: 10 ]

• VHF Broadcast Passband Filter
  
  VHF Broadcast Passband Filter (88 108 MHz) by DF9CY
  [ Hits: 599 | Votes: 1 | Rating: 1 ]

• Improving Receiver Noise on 50 MHz
  
  Tests on a preamplifier for 50 MHz installed right at the feedpoint of the antenna ...
  [ Hits: 990 | Votes: 0 | Rating: 0 ]

• TenTec RX320D Receiver
  
  TenTec Receiver RX 320 D Review by DF9CY
  [ Hits: 704 | Votes: 1 | Rating: 8 ]
• DRM Demo Receiver
  
  Christoph Petermann DF9CY DRM demonstration receiver project including Circuit Diagram and component list
  [ Hits: 588 | Votes: 1 | Rating: 7 ]

• Simple Regen Radio for Beginners
  
  The Regen Shortwave Receiver using Manhattan-style ugly construction techniques.
  [ Hits: 3315 | Votes: 4 | Rating: 7.5 ]

• Softrock SDR and Six Meters
  
  DF9CY using Softrock RTX on 50 MHz
  [ Hits: 604 | Votes: 1 | Rating: 10 ]
• DF9CY Softrock tests
  
  Softrock Version 6.1 Software Defined Radio experience and modifications by DF9CY
  [ Hits: 498 | Votes: 0 | Rating: 0 ]

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