radiation

radiation

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• Zippiro antenna for 40 Meters
  
  Very compact and high efficiency antenna very low radiation angle even at low height ...
  [ Hits: 2113 | Votes: 3 | Rating: 5.67 ]

• 3 elements VHF yagi antenna
  
  3 elements VHF Yagi homebrew antenna designed with YAGIMAX 3 Maximum forward GAIN is about ...
  [ Hits: 14043 | Votes: 59 | Rating: 4.51 ]

• Microvert antennas by DL7PE - DL7PE
  
  Progress in Design of Extremely Short Transmitting Antennas Short and still efficient how is that ...
  [ Hits: 1957 | Votes: 5 | Rating: 7.5 ]

• The Galaxy dipole
  
  A very short dipole with a good radiation efficiently plus a respectable bandwidth by S ...
  [ Hits: 1871 | Votes: 3 | Rating: 10 ]
• The Sloping Vertical Dipole
  
  The radiating part is the vertical half of the dipole You get nearly radiation in ...
  [ Hits: 537 | Votes: 0 | Rating: 0 ]

• Feeder Radiation
  
  Connecting centre fed antennas dipoles yagis rhombics loops to coaxial cable unless care is taken ...
  [ Hits: 1830 | Votes: 4 | Rating: 8 ]

• Helical Feed Antennas
  
  Helical antennas have long been popular in applications from VHF to microwaves requiring circular polarization ...
  [ Hits: 1921 | Votes: 2 | Rating: 3 ]

• Antentop: Loop Antennas
  
  Article on radiation patterns of small loops equivalent circuits of loop antenna small loops as ...
  [ Hits: 2169 | Votes: 4 | Rating: 8 ]

• LA1IC Coax-Fed slooping longwire
  
  Simple inexpensive and easy to erect this antenna provides directivity low angle radiation and a ...
  [ Hits: 3921 | Votes: 3 | Rating: 7 ]

• Understanding Radiation Patterns
  
  Understanding and using antenna radiation patterns
  [ Hits: 534 | Votes: 0 | Rating: 0 ]
• Antenna Measurements
  
  The electrical characteristics of an antenna that are of interest to obtain by direct measurement ...
  [ Hits: 946 | Votes: 3 | Rating: 4 ]
• Radiation Characteristics
  
  Tailoring Patterns for HF Verticals
  [ Hits: 246 | Votes: 0 | Rating: 0 ]
• Azimuth Radiation Patterns
  
  Below VHF the change in the radiation characteristics of an antenna will change considerably from ...
  [ Hits: 820 | Votes: 1 | Rating: 10 ]
• Matching Waves, VSWR at work
  
  When the radiation resistance voltage to current ratio of an antenna is the same value ...
  [ Hits: 507 | Votes: 0 | Rating: 0 ]
• Basics of antennas
  
  The current the voltage the impedance the bandwidth the polarization and how the earth influences ...
  [ Hits: 701 | Votes: 0 | Rating: 0 ]
• Antenna Efficiency
  
  K0BG article con antenna efficiency covering topics like radiation resistance coil losses and ground losses ...
  [ Hits: 459 | Votes: 0 | Rating: 0 ]

• VHF/UHF Folded Diplole
  
  This is a two element colinear design for vertically polarized radiation It may be constructed ...
  [ Hits: 1141 | Votes: 0 | Rating: 0 ]

• Scientific Surplus
  
  Buy sell and trade electronic and scientific instruments Oscilloscopes microscopes signal generators RF equipment short ...
  [ Hits: 750 | Votes: 0 | Rating: 0 ]

• Opto Electronics
  
  The branch of electronics dealing with devices that generate transform transmit or sense optical infrared ...
  [ Hits: 301 | Votes: 0 | Rating: 0 ]

• RF Radiation and Electromagnetic Field Safety
  
  Preprinted from the 1997 ARRL Handbook for Radio Amateurs Thermal Effects of RF Energy Safe ...
  [ Hits: 330 | Votes: 0 | Rating: 0 ]

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