rf earth

rf earth

Antennas : Baluns : 4 to 1 balun

• A 4:1 Balun
  
  A single core 4 1 current balun of improved performance by Chris Trask N7ZWY PDF ...
  [ Hits: 21830 | Votes: 13 | Rating: 4.3 ]

• Eggbeater II Omni LEO Antennas
  
  Presented here is a high performance circularly polarized omni directional antenna that is easy to ...
  [ Hits: 2904 | Votes: 2 | Rating: 8.5 ]

• Basics of antennas
  
  The current the voltage the impedance the bandwidth the polarization and how the earth influences ...
  [ Hits: 701 | Votes: 0 | Rating: 0 ]
• Errante's capacitive RF Grounding - Francesco Errante
  
  This system demonstrates that no galvanic coupling to earth is needed for a proper RF ...
  [ Hits: 492 | Votes: 1 | Rating: 10 ]

• Unearthing VHF Contest Secrets: An In-Depth Analysis - S51FB S51ML S52AA S53WW
  
  In this article authors delve into the inner workings of the IARU R1 VHF contest ...
  [ Hits: 72 | Votes: 2 | Rating: 10 ]

• Kiwa Electronics - KIWA
  
  Kiwa Electronics is a company that specializes in accessory equipment for the radio enthusiast Our ...
  [ Hits: 3070 | Votes: 5 | Rating: 8.8 ]

• Great Circle Distance Calculator
  
  This online calculator computes the great circle distance between two points on the earth s ...
  [ Hits: 1806 | Votes: 4 | Rating: 3 ]

• Cloud RF - Web VHF/UHF planning - Alex Farrant
  
  Web based VHF UHF RF planning powered by SPLAT and Google Maps Access via website ...
  [ Hits: 1306 | Votes: 19 | Rating: 7.67 ]

• AZMap - Azimuthal maps generator
  
  AZMap is a freeware Windows program for the Windows PC which will generate display and ...
  [ Hits: 10750 | Votes: 48 | Rating: 5.56 ]
• LocCalc
  
  Distance and directions calculation program using both Spheric the perfect round earth model and Vincenty ...
  [ Hits: 1575 | Votes: 5 | Rating: 3.6 ]

• CloudRF
  
  Online radio planning system allow you to generate accurate radio frequency predictions for anywhere on ...
  [ Hits: 9151 | Votes: 42 | Rating: 4.81 ]
• Keyhole Radio for Google earth - cloudrf
  
  The ultimate Keyhole Markup Language KML plugin for Google earth Keyhole Radio is a unique ...
  [ Hits: 1973 | Votes: 8 | Rating: 5.88 ]

• 4-1000A Tube RF Amplifier - William Moneysmith
  
  Home Brew a 4-1000A RF power amplifier project by W4NFR
  [ Hits: 685 | Votes: 0 | Rating: 0 ]
• 3-500Z Amplifier Project - William Moneysmith
  
  This article loaded with nice pictures and schematics describes a 160 10 meter linear amplifier ...
  [ Hits: 1082 | Votes: 4 | Rating: 9.5 ]

• Grounding HF Transceiver using Coax Cable - 9M2SX
  
  Improper grounding or earthing system can cause several unwanted RF interferences RFI to television sets ...
  [ Hits: 1297 | Votes: 4 | Rating: 7.75 ]
• How to Ground an Antenna: aerial earthing - Electronic Notes
  
  The antenna ground or earth system can be key to its operation whilst also being ...
  [ Hits: 233 | Votes: 1 | Rating: 4 ]