projects

projects

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• N3OX Flex Vertical for 40m
  
  N3OX three meters Flex Vertical, a Short, Frequency Agile Vertical for 40 meters
  [ Hits: 718 | Votes: 0 | Rating: 0 ]

• 70cm vertical antenna
  
  Schematic for a DIY 70 cm vertical antenna
  [ Hits: 3866 | Votes: 14 | Rating: 3.5 ]

• VHF Yagi Balcony Mast
  
  An Antenna Mast Idea for a VHF/UHF antenna
  [ Hits: 815 | Votes: 1 | Rating: 2 ]

• W3EDP antenna by AE5VV
  
  W3EDP antenna assembly instructions and dimensions with pictures in this PDF File
  [ Hits: 1321 | Votes: 0 | Rating: 0 ]

• SA7BOA Andrey - Andrey
  
  Personal blog devoted to ham radio topics portable operation homebrew antenna and other projects ...
  [ Hits: 261 | Votes: 1 | Rating: 10 ]

• Analog vs Digital ATV
  
  Pro and cons of Digital ATV versus Analogue ATV
  [ Hits: 442 | Votes: 1 | Rating: 10 ]

• Amateur Chirp Project
  
  Amateur projects to investigate radiowave propagation G3PLX s chirp project ionosonde database and more ...
  [ Hits: 528 | Votes: 0 | Rating: 0 ]

• K3 vs IC-781 vs TS-850
  
  Elecraft K3 vs. ICOM IC-781 vs. Kenwood TS-850: comparative Measurements and Experience
  [ Hits: 596 | Votes: 1 | Rating: 6 ]

• Kenwood TH-D7E - Back from the USA
  
  Returning a TH-D7E to its original European configuration.
  [ Hits: 347 | Votes: 0 | Rating: 0 ]

• Kenwood TM-241 Repair
  
  Restoring a Kenwood TM-241E
  [ Hits: 884 | Votes: 4 | Rating: 2 ]

• How to write a software SSTV modulator/demodulator - HA2NON
  
  Tutorial about writing a software SSTV modulator demodulator using slant correction and several improvements It ...
  [ Hits: 362 | Votes: 3 | Rating: 7 ]

• TinyTrak 4 and APRS
  
  Tiny Trak 4 APRS and a new IGate
  [ Hits: 550 | Votes: 0 | Rating: 0 ]

• 2.3GHz ATV TX
  
  Ian G6TVJ design for a synthesised ATV transmitter covering the 13cm band and beyond up ...
  [ Hits: 581 | Votes: 2 | Rating: 7 ]

• Integrated Circuit Audio Amplifiers
  
  Circuit designs for IC audio amplifiers by N1HFX
  [ Hits: 422 | Votes: 0 | Rating: 0 ]
• Design Guidelines for JFET Audio Preamplifier Circuits
  
  Design Guidelines for JFET Audio Preamplifier Circuits By Mike Martell N1HFX
  [ Hits: 647 | Votes: 4 | Rating: 1 ]

• 12 v gel cell charger
  
  Schematic of a fast charger for Gel Cell batteries
  [ Hits: 484 | Votes: 0 | Rating: 0 ]

• Build your own QRSS transmitter - N0QBH
  
  The N0QBH QRSS project page a couple of projects using available kits for improved frequency ...
  [ Hits: 338 | Votes: 0 | Rating: 0 ]

• Using Bipolar Transistors As Switches
  
  While transistors have many uses one of the less known uses by amateurs is the ...
  [ Hits: 331 | Votes: 0 | Rating: 0 ]

• Thermal cooling fan controller
  
  N1HFX thermal coolin fan controller project
  [ Hits: 444 | Votes: 2 | Rating: 10 ]

• Switching Regulator Basics
  
  Switching Regulator Basics By Mike Martell N1HFX
  [ Hits: 433 | Votes: 0 | Rating: 0 ]

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