all band rf

all band rf

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• 160m 80m Vertical Antenna - DJ0IP
  
  A dual band vertical antenna for 160 and 80 meters band on a 18m spiderbeam ...
  [ Hits: 188 | Votes: 0 | Rating: 0 ]

• Delta Loop DX Antenna for 40 meters band - PD9Z
  
  A monoband delta loop antenna for the 7 MHz This vertically polarized DX Antenna is ...
  [ Hits: 433 | Votes: 3 | Rating: 6.33 ]

• 80m Limited Space Antenna - G7FEK
  
  46ft multi band antenna for small gardens Works well on 80m An excellent DX performer ...
  [ Hits: 4142 | Votes: 5 | Rating: 6 ]

• Helical Antennas for 144 MHz - W6NBC
  
  This article is about two excellent small helical antennas for the two meters band With ...
  [ Hits: 231 | Votes: 1 | Rating: 7 ]

• History of the Hexbeam Antennas - K4KIO
  
  The original HEXBEAM was developed by Mike Traffic N1HXA in the early nineties It is ...
  [ Hits: 130 | Votes: 2 | Rating: 7.5 ]

• Open-Folded W8JK Antenna for HF - F5NPV
  
  Originally designed by John Kraus W8JK in about 1940 this antenna has some interesting properties ...
  [ Hits: 141 | Votes: 1 | Rating: 3 ]

• Homebrew an OCF Off-Center Fed Dipole Antenna - W5ODJ
  
  This type of antenna is a popular antenna design as the performance is very good ...
  [ Hits: 198 | Votes: 3 | Rating: 6.67 ]

• Wide Band Active Loop Antenna - PA0FRI
  
  A shielded broadband 200 MHz active loop antenna offers more quiet and relatively less interference ...
  [ Hits: 611 | Votes: 5 | Rating: 8 ]
• 160 Meters 4 Square Receive Antenna - W0QL
  
  A four square array receiving antena for the top band performance is extremely directional and ...
  [ Hits: 181 | Votes: 1 | Rating: 10 ]

• Active 3-30 MHz Hula-Loop Antenna for Shortwave - Charles Wenzel
  
  This active antenna for the shortwave band provides surprising performance even indoors As the name ...
  [ Hits: 161 | Votes: 1 | Rating: 10 ]

• Variations on a Dipole - AF7NX
  
  Antenna patterns are all about interference Presentation on wire antennas for HF bands Dipoles horizontal ...
  [ Hits: 98 | Votes: 0 | Rating: 0 ]

• DIY Dual Band 144-440 MHz vertical antenna - linuxwolfpack
  
  A homemade VHF UHF vertical antenna made essentially with RG58 coax cable with a 9 ...
  [ Hits: 1379 | Votes: 14 | Rating: 5.5 ]

• W3DZZ Multiband Antenna - I6IBE
  
  An easy to build and extremely high performance antenna works perfectly on all HF bands ...
  [ Hits: 465 | Votes: 3 | Rating: 7.67 ]

• The Squid Pole Wire Antenna Re-visited - VK4ADC
  
  The author explores enhancing the performance of a 7 meter fiberglass squid pole wire antenna ...
  [ Hits: 92 | Votes: 0 | Rating: 0 ]

• Ameritron AL-82 Review - NK7Z
  
  Review of Ameritron AL 82 HF amplifier owned for three years now and over that ...
  [ Hits: 172 | Votes: 3 | Rating: 8.67 ]

• HF9V Antenna Setup and mods - W6AER
  
  Installation and modification of the popular Butternut HF9V antenna with the optional 160 meter addon ...
  [ Hits: 196 | Votes: 2 | Rating: 10 ]

• MorseExpert for Android - VE3NEA  ^updated
  
  Morse Code Decoder for Android based on the algorithms implemented in CW Skimmer Morse Expert ...
  [ Hits: 333 | Votes: 6 | Rating: 7.67 ]

• A simple 50W RF Power Amplifier - AC2CZ
  
  A simple RF power amplifier initially designed for 40 meter band can work on 10 ...
  [ Hits: 1634 | Votes: 1 | Rating: 8 ]

• Enhancing Frontend Performance with Optimized Band Pass Filters - PA3AKE
  
  This article explores the nuanced design challenges of Band Pass Filters BPF in radio receivers ...
  [ Hits: 82 | Votes: 0 | Rating: 0 ]

• RF Front End Protector - OK1RP
  
  If You are using a separate receive antennas then you need a good protection circuit ...
  [ Hits: 178 | Votes: 0 | Rating: 0 ]

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