all band hf

all band hf

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• 4m Tall Vertical Dipole for 20m - TF3LJ
  
  Constructed in May 2008 this innovative 4m tall electrically full size halfwave vertical dipole tunable ...
  [ Hits: 95 | Votes: 0 | Rating: 0 ]

• Moxon Mania - Building the Ultimate 4-Band Moxon Antenna - W7JMP
  
  The article details the design and construction of a four band Moxon beam by a ...
  [ Hits: 96 | Votes: 0 | Rating: 0 ]

• 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 ]
• Space-Efficient Excellence: Inverted L Multi-Band HF Antenna - qsoshack
  
  Discovering a solution for limited space the inverted L HF antenna emerges as a stellar ...
  [ Hits: 190 | Votes: 0 | Rating: 0 ]

• The Infamous Attic Dipole - AF4PS
  
  An attic wire antenna with several modifications during the time Began as a simple coax ...
  [ Hits: 103 | Votes: 0 | Rating: 0 ]

• 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 ]

• Small DuoBand Antenna - DK7ZB
  
  This small dual band UHF VHF directional antenna is good choice for portable operations This ...
  [ Hits: 198 | Votes: 1 | Rating: 2 ]

• Build a W3DZZ Antenna - N2LNO
  
  The purpose of this construction is to enable the realization of an HF antenna called ...
  [ Hits: 219 | Votes: 1 | Rating: 1 ]

• Ribbit digital text messaging mode for HF/VHF/UHF - RibbitRadio
  
  Ribbit is a novel digital text messaging mode for VHF UHF communications for recreational and ...
  [ Hits: 134 | Votes: 1 | Rating: 10 ]
• PSKmail: Email and Internet on HF - PSKmail.org  ^new
  
  PSKmail a narrow band ARQ system allows ham radio operators to send emails and access ...
  [ Hits: 39 | Votes: 0 | Rating: 0 ]

• 40 MHz 8m Band Amateur Radio Exploration - G3XBM
  
  The 8m ISM band a unique frequency range between 10m and 6m holds potential for ...
  [ Hits: 76 | Votes: 1 | Rating: 8 ]

• Exploring the Spectrum From HF to UHF Frequencies - ARCAD
  
  During radio s early days high frequencies were under 30 MHz due to technical limitations ...
  [ Hits: 78 | Votes: 0 | Rating: 0 ]

• ICOM IC-R75 Review by N9EWO - N9EWO
  
  Icom IC R75 tabletop HF communications receiver came onto the market back in 1999 and ...
  [ Hits: 44 | Votes: 0 | Rating: 0 ]

• Arduino QRP Transceiver: DIY Success on HF Bands - M0XPD
  
  This article introduces an Arduino based QRP CW Transceiver designed for lower HF bands The ...
  [ Hits: 115 | Votes: 1 | Rating: 1 ]
• Arduino Digital Transceiver Project - WB2CBA
  
  Arduino Digital Transceiver ADX is a low cost HF transceiver for digital modes This Arduino ...
  [ Hits: 97 | Votes: 0 | Rating: 0 ]

• Measured Data For HF Ferrite Chokes - K9YC
  
  FT 240 toroids measurements The data was measured using well calibrated HP instrumentation All plots ...
  [ Hits: 40 | Votes: 0 | Rating: 0 ]

• DIY EMC/RFI Mains Filter for a Clean Shack - M0PZT  ^updated
  
  Utilizing snap on ferrite cores and practical insights the author enhances their shack s cleanliness ...
  [ Hits: 158 | Votes: 2 | Rating: 9.5 ]

• Building a 20W All-Band HF SDR with Softrock 6.3 - TF3LJ  ^new
  
  This project describes a DIY all band HF SDR transceiver Built around a Softrock 6 ...
  [ Hits: 104 | Votes: 1 | Rating: 1 ]

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