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• JA7KPI Windom antenna for 40-80 - JA7KPI
  
  The total length of this antenna is 41m height is about 11m and diameter of ...
  [ Hits: 7715 | Votes: 8 | Rating: 6.25 ]

• RF Transmission Line Loss Calculator
  
  This calculator computes the matched line loss for a transmission line using a model calibrated ...
  [ Hits: 2508 | Votes: 18 | Rating: 3.94 ]

• QRP Magnetic longwire balun with VHF-splitter
  
  This Magnetic Longwire Balun MLB makes it possible to efficiently use a coaxial lead in ...
  [ Hits: 3086 | Votes: 3 | Rating: 7 ]
• Baluns by Dan N5AR
  
  There is considerable confusion about the various types of baluns this article try to make ...
  [ Hits: 2272 | Votes: 0 | Rating: 0 ]
• Les baluns
  
  About different baluns types. Samples and schematics for several ratios baluns in french
  [ Hits: 1667 | Votes: 0 | Rating: 0 ]

• Beverage transformer notes - N1EU
  
  In this article the author discusses the importance of good transformers for Beverages especially for ...
  [ Hits: 1319 | Votes: 1 | Rating: 10 ]

• ERP Estimator
  
  Calculate online ERP in dB and dBi given PWR Frequency Coax lenght and type and ...
  [ Hits: 1668 | Votes: 5 | Rating: 3.8 ]
• Antenna Feeders
  
  Different types of feeders, SWR and matching
  [ Hits: 494 | Votes: 1 | Rating: 2 ]

• Two-Wire Open Line
  
  Article on various type of transmissium medium like parallel lines twisted pairs shielded pairs coax ...
  [ Hits: 1537 | Votes: 1 | Rating: 7 ]

• Patch antenna for APT - WlHDX
  
  The patch or microstrip antenna has become a common workhorse for the microwave spectrum from ...
  [ Hits: 1235 | Votes: 1 | Rating: 10 ]

• 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 ]
• Horizontal Antennas above Real Ground
  
  Antennas are influenced by the effect of the ground and by the type of conductors ...
  [ Hits: 603 | Votes: 0 | Rating: 0 ]

• microHAM
  
  Accessories for your hamshack such as Band Decoders various types of Antenna Switches Antenna Stacking ...
  [ Hits: 3605 | Votes: 2 | Rating: 10 ]

• AMP Lady
  
  Authorized factory sales and service center for Emtron Repair service on all tube type amps ...
  [ Hits: 2323 | Votes: 8 | Rating: 8.25 ]

• PropNerPSK
  
  PropNetPSK is a PSK Phase Shift Keying program capable of receiving multiple signals 2 16 ...
  [ Hits: 823 | Votes: 1 | Rating: 10 ]

• Batteries and QRP
  
  Thanks to the popularity of cell phones laptops and other personal electronic devices the battery ...
  [ Hits: 506 | Votes: 0 | Rating: 0 ]

• Multi-functional Power Supplies
  
  Two types of multi functional Home brew 6 8Amps 20 Ampere variable power supplies by ...
  [ Hits: 1765 | Votes: 3 | Rating: 8.67 ]
• 12/20 Ampere power supplies
  
  Two types of home brewed 12 20 Ampere 13 8volt power supplies including detailed part ...
  [ Hits: 8405 | Votes: 8 | Rating: 6.12 ]

• Intermodulation
  
  Intermodulation distortion commonly known as Intermods is a type of interference that can occur in ...
  [ Hits: 542 | Votes: 1 | Rating: 10 ]

• rec.radio.amateur.boatanchors FAQ
  
  Frequently Asked Questions - about vintage tube-type ham radio and communications equipment
  [ Hits: 422 | Votes: 0 | Rating: 0 ]

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