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• How to straighten Microbore copper tube - Article and video showing a technique to straighten Microbore copper pipe that is useful in antenna construction. This technique has been implemented to build a Quadrifiliar Helix antenna.
  [ Hits: 326 | Votes: 0 | Rating: 0 ]

• ON4KST Chat - The low band, VHF, UHF and microwave chats
  [ Hits: 381 | Votes: 0 | Rating: 0 ]

• ABR Industries - ABR Industries Is A Full-Line American-Made Coax (RF) Cable Assembly Manufacturer. Coax Cables, Connectors, Custom Coax Cable Assemblies, Times Microwave LMR-Series.
  [ Hits: 126 | Votes: 1 | Rating: 10 ]

• Keysight (Agilent) Signal Generator - Keysight offers numerous baseband, RF, and microwave signal generator (signal source) products. From basic to advanced, baseband to 67 GHz, Keysight signal generators are capable of frequency extensions to 500 GHz with millimeter-wave source modules.
  [ Hits: 238 | Votes: 0 | Rating: 0 ]

• VHF Amplitude Modulation (AM) Operations - An article on amplitude modulation (AM) operation on VHF bands.
  [ Hits: 166 | Votes: 0 | Rating: 0 ]

• Programming Yaesu FT-8800R - Programming the FT-8800R via the front panel and microphone keypad is not extremely difficult. Already having a list of local repeaters in CHIRP, the addition of a USB cable would allow you to coordinate the memory layout across multiple radios with ease.
  [ Hits: 297 | Votes: 1 | Rating: 1 ]

• TETRA Accessories - Batteries, Earpieces, Microphones and other accessories for TETRA two way radios from Motorola, Hytera & Sepura.
  [ Hits: 195 | Votes: 0 | Rating: 0 ]

• Delta Electronics - Delta Electronics, Inc. NY USA, family owned and operated selling all varieties of consumer electronics including 10 meter amateur radios, antennas, accessories, microphones, cw transmitters, coax cables and more
  [ Hits: 326 | Votes: 0 | Rating: 0 ]

• tabLog - tabLog has been written to offer basic logging when /P and allows for easy import into your Shack-based log via ADIF. Best performance is with a tablet in landscape mode and using a small Bluetooth/micro-USB QWERTY keyboard – QSO entry via this method is simple, and efficient.
  [ Hits: 358 | Votes: 0 | Rating: 0 ]

• The WB0RIO 28 Mhz Arduino Beacon - This project involves the construction of a 5 Watt Morse code beacon transmitter that operates in the 28.200 to 28.300 section of the 10 Meter Amateur Radio band. The beacon controller uses an Arduino Uno microprocessor board to produce the three signals that control the transmitter.
  [ Hits: 625 | Votes: 0 | Rating: 0 ]

• Headsets Reviews and Observations - A selection of speakers or headphones for use with amateur radio equipment. Includes an interesting paragraph comparing Dynamic and Electret Condenser Microphones, but also about audio Equalization.
  [ Hits: 528 | Votes: 0 | Rating: 0 ]

• Noisy Kenwood TM-D710A Microphone - A Kenwood TM-D710A microphone (Model MC-59) is producing crackling and intermittent, poor audio so John took a peak inside to have a look around.
  [ Hits: 410 | Votes: 0 | Rating: 0 ]
• A simple DIY Desk Microphone - A simple home made desk microphone project that can be fitted into a small plastic project box
  [ Hits: 714 | Votes: 3 | Rating: 4.67 ]
• Kenwood Microphone MC60A Modification - The Kenwood MC60A with preamp, suffers from RF feedback, a search on the web reveals the extent of the problem. This document explain how to fix this problem.
  [ Hits: 394 | Votes: 0 | Rating: 0 ]

• Microwave 101 - Our goal is to provide the microwave community with a practical and ever-growing resource covering all of the fundamental principles of microwave design.
  [ Hits: 224 | Votes: 0 | Rating: 0 ]

• Eliminate problems caused by RFI - An article by microHam about guidelined to eliminate problems caused by RFI
  [ Hits: 394 | Votes: 0 | Rating: 0 ]

• Raspberry Packet Radio BBS - This page describes how to set up RaspBerry Pi Linux system with already configured AX.25 softwares on SD or micro SD cards
  [ Hits: 683 | Votes: 1 | Rating: 8 ]
• Sending and receiving Laser CW signals with a Raspberry Pi - Sending and receiving text with Morse code light pulses across the room is a fun and cheap project you can do on a Raspberry Pi or Arduino or any other microcontroller. This post explains how I did it, and how you can do it too.
  [ Hits: 291 | Votes: 0 | Rating: 0 ]

• Homemade microwave spectrum analyzer - RF/microwave spectrum analyzer with tracking generator and other accessories
  [ Hits: 357 | Votes: 0 | Rating: 0 ]

• 4m Transverter Project - A 70 MHz QRP transverter project
  [ Hits: 581 | Votes: 1 | Rating: 1 ]

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