Tutorial

Tutorial

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• Helical Antennas -Theory - Helical antenna or helix antenna is the antenna in which the conducting wire is wound in helical shape and connected to the ground plate with a feeder line. It is the simplest antenna, which provides circularly polarized waves.
  [ Hits: 137 | Votes: 0 | Rating: 0 ]

• Introduction to HFTA HF Terrain Assessment - A complete guide to plan antenna installation by using several tools and resources including the popular HFTA High-Frequency Terrain Assessment software distributed by ARRL. A full tutorial on how to use it and how to interpretate reports produced by this antenna setup analysis tool.
  [ Hits: 139 | Votes: 1 | Rating: 7 ]

• How To Build a Quadrifilar Helix Antenna for Weather Satellites - How to build a QFH (Quadrifilar Helix Antenna) to download images from weather satellites. A complete tutorial on assembling QFH antenna at home with simple and common tools
  [ Hits: 697 | Votes: 6 | Rating: 7.17 ]

• The Smith Chart - This tutorial introduces and explains Smith Charts, and then gives an introduction to impedance matching. Smith Chart is a tool to visualize the impedance of a transmission line and antenna system as a function of frequency.
  [ Hits: 116 | Votes: 2 | Rating: 9.5 ]

• It's Ham Radio - Amateur Radio - News, Tutorials, Club Activities, DIY Instructions, and Latest Circuits Ideas from India.
  [ Hits: 80 | Votes: 6 | Rating: 8.67 ]

• Getting Started on RTTY - A tutorial on how to get started operating RTTY using MMTTY as the primary program to begin your RTTY operations. Installing, configuring and using MMTTY. Documentation in English and Spanish
  [ Hits: 208 | Votes: 0 | Rating: 0 ]

• How to call CQ as an HF QRP station - Tutorial, How to call CQ as an HF QRP station in SSB/Phone. Calling CQ Basics, Calling CQ QRP or Portable
  [ Hits: 132 | Votes: 3 | Rating: 4 ]

• HF Radio Propagation Forecast - This page offers radio amateurs (experienced and beginners) a useful overview and tutorials on HF propagation conditions. Here you will find basic and advanced explanations, as well as practical methods, charts, maps, models, real-time measurements, assessments, comparisons, references, and an index.
  [ Hits: 359 | Votes: 19 | Rating: 8.79 ]

• Radio Signal Path Loss - Article about the essentials of radio signal path loss, its causes and prediction, and its use in radio coverage and wireless survey tools
  [ Hits: 188 | Votes: 0 | Rating: 0 ]

• Explaining ARRL Radio Tech Reviews - Explaining ARRL Technical Reviews of Radios a brief tutorial on radio testing. The ARRL Lab tests radio equipment according to standardized test procedures, using calibrated professional test equipment. Info on transmitter and receiver tests
  [ Hits: 119 | Votes: 0 | Rating: 0 ]

• KEYERduino low-cost Arduino project - A low-cost Arduino project expanding on the button tutorial, where three inputs act as "buttons" generating Morse code on a WOTDUINO. This keyer, costing around £4, offers learning potential and hints at more complex ham radio applications.
  [ Hits: 59 | Votes: 0 | Rating: 0 ]

• Battery University - A free educational website offering hands-on battery information. The tutorials evaluate the advantages and limitations of diverse battery chemistries, advise on best choices, and suggest ways to extend life.
  [ Hits: 64 | Votes: 0 | Rating: 0 ]

• A Tutorial on the Decibel - This tutorial provides background information on the decibel and instructions for performing calculations involving decibels. This tutorial combines information from several authors, including Bob DeVarney, W1ICW; Walter Bahnzaf, WB1ANE; and Ward Silver, NOAX
  [ Hits: 349 | Votes: 1 | Rating: 7 ]

• Introduction to RF & Wireless Communications Systems - This tutorial covers an introduction to RF, wireless, and high-frequency signals and systems, includes explaination of what is RF, why operate at Higher Frequencies, Frequency Shifting through Frequency Mixing.
  [ Hits: 282 | Votes: 1 | Rating: 6 ]

• Guide to decode SSTV with RaspberryPi and RTL-SDR - A tutorial on how to setup a receiver capable to decode SSTV signals with a small RaspberryPi version 2 and a RTL-SDR dongle. The author explains how to install the needed software to interface the RTL-SDR and a step by step guide to install the QSSTV software used to decode the signals.
  [ Hits: 333 | Votes: 1 | Rating: 1 ]
• Low Cost FT8 WSPR Monitoring System - A tutorial on setting up a Low Cost QRP (FT8, JT9, WSPR etc) Monitoring Station with an RTL-SDR V3 and Raspberry Pi 3
  [ Hits: 272 | Votes: 0 | Rating: 0 ]
• Raspberry WSPR receiver - Tutorial- WSPR receiver with Raspberry Pi and RTL-SDR
  [ Hits: 219 | Votes: 1 | Rating: 8 ]
• Raspberry Pi Pirate Radio - In this tutorial, the author shows the basics of how to set up a Raspberry Pi Pirate Radio utilizing the FM Transmitter software and a piece of wire.
  [ Hits: 73 | Votes: 0 | Rating: 0 ]

• How to build a Software Defined Radio - Experimental Methods in DSP design. The author explains how a software defined radio works to help other amateurs with their learning. This set of tutorials takes you from how to write a single component to a fully working SDR.
  [ Hits: 207 | Votes: 0 | Rating: 0 ]

• How to Solder: Through-Hole Soldering - The basics of through-hole soldering, the tools needed, go over techniques for proper soldering.
  [ Hits: 191 | Votes: 0 | Rating: 0 ]

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