frequency

frequency

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• Quad Antenna On-line Calculator - wa2ooo
  
  Cubical Quad Antenna On line Calculator helps on defining the size of each element and ...
  [ Hits: 295 | Votes: 1 | Rating: 5 ]

• Baluns and common mode chokes - Dorenberg
  
  Voltage baluns versus Current baluns When to use them differences and typical usage in feeding ...
  [ Hits: 402 | Votes: 1 | Rating: 10 ]

• Balcony Mounted Buddistick Antenna by KP4MD - KP4MD
  
  The antenna handles 250 watts and covers 40 through 10 meters with an optional add ...
  [ Hits: 281 | Votes: 3 | Rating: 10 ]

• Tuning Antenna Traps - VK4ADC
  
  The problem with making your own trapped HF antennas is usually getting the coaxial traps ...
  [ Hits: 276 | Votes: 2 | Rating: 6.5 ]

• HG7AN Antenna Analyzer - HG7AN
  
  Antenna Analyzer plus 500 is a multifunctional measuring instrument very useful for amateur radio activity ...
  [ Hits: 266 | Votes: 1 | Rating: 10 ]

• Microwave Filter Company - MFC
  
  Microwave Filter Company is a leader in the design development and manufacture of high quality ...
  [ Hits: 124 | Votes: 0 | Rating: 0 ]

• HackRF - HackRF
  
  open source hardware for software defined radio HackRF One is an open source hardware platform ...
  [ Hits: 177 | Votes: 3 | Rating: 7.67 ]

• ZL2IFB Elecraft K2 K3 - ZL2IFB
  
  A page dedicated to the Elecraft K2 and K3 transceivers Connecting the K3 to your ...
  [ Hits: 104 | Votes: 2 | Rating: 10 ]

• FT991 MARS Mod - FT991
  
  This modification will expand the tx frequency range of the Yaesu FT 991 from allowing ...
  [ Hits: 932 | Votes: 5 | Rating: 3 ]

• LAN-IQ SDR - afedri
  
  Stand Alone Software Defined Radio direct sampling receiver from 30 kHz to 1700 00MHz continuous ...
  [ Hits: 258 | Votes: 1 | Rating: 8 ]

• Royal Communications International, Inc. - Royal Com
  
  Since 1988 Royal Communications International has been supplying communications equipment designed for the military professional ...
  [ Hits: 140 | Votes: 0 | Rating: 0 ]

• NanoVNA-H 900 MHz Upgrade - hugen79
  
  NanoVNA based on edy555 use the odd harmonic extension of si5351 to support the measurement ...
  [ Hits: 191 | Votes: 0 | Rating: 0 ]

• One-turn loop inductance Online Calculator - in3otd
  
  The high frequency inductance of single turn loops of various shapes made of round wire ...
  [ Hits: 122 | Votes: 1 | Rating: 10 ]

• AF signal function generator for Windows - Bernd Reiser
  
  Windows signal function generator sotfware offers 4 main channels 4 modulators 1 measurement generator 1 ...
  [ Hits: 621 | Votes: 4 | Rating: 3 ]

• Frequency counter project - QRP Labs
  
  This project includes quite a number of useful testing features which were very useful when ...
  [ Hits: 128 | Votes: 0 | Rating: 0 ]

• Homebrew a High Performance SSB RTX for 14 MHz - DK7IH
  
  This article describes the construction of a high performance transmitter and receiver for SSB voice ...
  [ Hits: 347 | Votes: 5 | Rating: 7.8 ]

• Experimental HF 6-band SSB transceiver - DK7IH  ^updated
  
  An SSB radio for the HF bands will be presented Featuring 12 to 20 Watts ...
  [ Hits: 767 | Votes: 15 | Rating: 9.34 ]

• 80 meter Ceramic Resonator VXO CW Transmitter - VK1PK
  
  Frequency agile 80 metre CW QRP transmitter Ceramic resonators vary in the frequency shift obtainable ...
  [ Hits: 225 | Votes: 1 | Rating: 1 ]

• rpitx Multimode TX for Raspberry Pi - F5OEO
  
  rpitx is a general radio frequency transmitter for Raspberry Pi which doesn t require any ...
  [ Hits: 279 | Votes: 0 | Rating: 0 ]

• Antuino - Antenna Test Equipment - hfsignals
  
  Antuino is an accurate instrument that can be used in the field to measure SWR ...
  [ Hits: 306 | Votes: 0 | Rating: 0 ]

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