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Query: ham radio
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Categories
- Ham Radio
- Operating Modes > Ham Radio Balloons
- Technical Reference > Ham Radio Go Kits
- Shopping and Services > Ham Radio Insurance
- Ham Radio > Ham Radio News
- Shopping and Services > Ham Radio Stores
- Technical Reference > AI Ham Radio
- DX Resources > Ham Radio Awards
- Manufacturers > Amateur Radio Maps
- Manufacturers > Digital and Packet Radio
- Ham Radio > Famous Hams
- Software > Ham Exam
- Ham Radio > Ham Shack
- Manufacturers > Ham Shack Accessories
- Ham Radio > Clubs > North America > USA > New Hampshire
- Operating Modes > NPR New Packet Radio
- Shopping and Services > Radio Equipment Repair
- Internet and Radio > Radio Gateways
- Software > Software Defined Radio
- Operating Modes > Stealth Amateur Radio
- Operating Aids > Beginner's Guides > What Amateur Radio is
- DX Resources > DX Peditions > 2011 DXpeditions
- DX Resources > DX Peditions > 2012 DXpeditions
- DX Resources > DX Peditions > 2013 DXpeditions
- DX Resources > DX Peditions > 2015 DXpeditions
- DX Resources > DX Peditions > 2016 DXpeditions
- DX Resources > DX Peditions > 2020 DXpeditions
- DX Resources > DX Peditions > 2021 DXpeditions
- DX Resources > DX Peditions > 2023 DXpeditions
- DX Resources > DX Peditions > 2024 DXpeditions
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A simple homebrew outdoor antenna to 2.4 GHz band.
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HamScope is a freeware windows multi-mode communications package for amateur radio that supports: PSK31 BPSK and QPSK RTTY ASCII MFSK16 PACKET CW. Support radio control interface for several ICOM, TenTec, Kenwood, and Yaesu transceivers. Compatible with DXbase LOGic 7 RYLogit TRX-Manager YPLOG. By KD5HIO Glen
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Use real audio streams to listen to Hf and VHF stations around the world via remote controlled receivers connected to the web.
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An Easy Dual-Band VHF/UHF vertical Antenna made with a TV twin lead and coax cable
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Able to cover all frequencies between 3.5 and about 10 MHz, the loop described here is directional, does not require a radial system, and stands just 1.8 metres tall. The antenna can be put together in a short time and is cheap by Peter Parker VK3YE ex VK1PK
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The antenna is a 10 - 160 meter horizontal loop fed with 450 ohm ladder line all the way into the ham shack to an Palstar AT1500BAL balanced line antenna tuner
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MMTTY is a popular windows free software for RTTY amateur radio operations. This freeware run on Win XP, Win7 Vista and Win8 by JE3HHT. You can download MMTTY software from the official English Website by VE5KC
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140 feet of insulated wire, the first half of which (70 feet) is space wound on an insulated tube.
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A free application that controls up to 4 Alinco, Elecraft, FlexRadio, Icom, JST, Kachina, Kenwood, TenTec, or Yaesu transceivers, switching between them manually or automatically based on frequency, and displaying frequency-dependent settings for devices like tuners and amplifiers; includes a bandspread, and supports transverters, frequency and mode tracking by an independent transceiver or receiver, SDR-based panadaptors, and SO2R switching with microHam or OTRSP-compliant devices.
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I built a homebrew 75 meter Double Extended Zepp Antenna, And I needed a 4:1 Balun So I decided to Homebrew the Balun also. Here is how I did it!
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A 10-20 meters coverage delta loop antenna. After relocating, DL2HCB designed a multiband loop antenna to cover 10-20m with an open-wire feed for impedance matching and compact installation. Inspired by the mini-X-Q design, a modified 10m delta-loop was built, enhanced with a 1/4 wave shorted stub for 28 MHz using 450-ohm ladder line. The antenna delivers east-west broadside radiation and performs as a closed loop on other bands. Operational tests yielded strong European signals and successful DX contacts, including a 20m QRP QSO with FY/DJ0PJ.
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Antenna design program for Quads, Yagis, Inverted Vees, J-poles, Trap Dipoles and more for MS DOS.
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Home made vertical antenna for 80 40 15 10 meters ARRL PDF file taken from QST June 1978
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A program to decode morse code (CW) via sound card to text. It can work as narrow-band sound DSP-filter also. No additional hardware is required, you need only receiver and computer with a sound card. It easily integrates with AALog logger. CwGet is a powerful Morse code decoding software for ham radio enthusiasts, featuring a customizable interface with three main windows: spectrum display, oscillogram, and received symbols. It includes auto frequency control, adjustable filters, burst noise rejection, and supports multiple decoding channels. Users can control transceiver frequency via Omni-Rig and record or replay received signals. CwGet also integrates seamlessly with logging software and other applications, allowing data transfer and interaction through DXSOFTEX.DLL. Additional features include manual and automatic threshold adjustments, zoom functionality, and support for various character sets, making it an essential tool for efficient Morse code communication.
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KQ6RH HF quick vertical antenna with plan for several bands from 10 to 75 meters
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Vertical antenna for 40 meters band
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The Super Loop Antenna page, designed by Jim W4FTU, provides detailed information on the RadioWorks \'Superloop III\' antenna as an alternative for operators with limited space. The page discusses the physical variations of the antenna, including dimensions and materials used, as well as its electrical characteristics such as the 30\' ladder line. The content is useful for amateur radio operators looking for antenna options for the 80 and 40 meter bands, especially those with small lots or zoning restrictions. The page is well-organized and informative, making it a valuable resource for antenna enthusiasts.
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The cubic quad is a very popular way to get reasonably high gain and excellent front to back ratios as well as low angles of radiation for without going to extreme heights. Includes design for 2 6 10 12 15 meter bands
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An online Ten Tec Pegasus with a schedule of frequencys monitored, by Bob, K5AHT, Bill, K5WGA and Pete, AE5PL.
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Microphone wiring can be a pain if your not sure how to work out which wire goes where
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Schematic database for HAM Radios and CB Radios
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Build this home made yagi antenna for your 2.4ghz wireless ethernet.
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Portable wire antenna for 40 and 80 meter made with a RF Chocke. Can be adapted to work on 160 meters by adding additional 6.9 meters wire at its end.
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Author evaluated a custom-built passive AM loop antenna, achieving notable DX reception including KLBJ Austin (230 miles) and WWL New Orleans (700 miles). The antenna operates solely on resonant inductive coupling, enhancing weak signal reception without external amplification. This project illustrates how fundamental RF design—calculating inductance, capacitance, and Q factor—can significantly boost performance of consumer-grade radios. Detailed construction techniques, theoretical background, and optimization strategies for effective loop antenna design are presented for amateur and experimental use.
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An effective 10-20m DX antenna for deed restricted lots. The article by K7ZB introduces a simple 10-20m DX antenna suitable for deed-restricted lots. The antenna, a 15' vertical design, facilitated contacts with over 200 countries worldwide. Its design employs a telescopic aluminum tube and radial wires for multi-band operation, requiring an external antenna tuner for optimal performance. The mounting scheme and construction details ensure effectiveness and ease of use.
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Build Your Own Bazooka Dipole: A VHF/UHF vertical dipole made from coax
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Circuit diagrams, CB and HAM mods, alignments, data sheets and pinouts, a massive site with over 600 pages of free info
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A multiband 80-40-20-15 meters dipole wire antenna that can be extended to cover 160 meters too.
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May be of interest to anyone wishing to get on 80M (3.5MHz) that have limited space available.
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SSTV freeware software for Windows by Mako JE3HHT. MMSTV is a free software application designed for transmitting and receiving SSTV (Slow Scan Television) images over HF bands. It allows radio amateurs to share still pictures using sound-card interfaces and a transceiver. The program supports popular SSTV modes (Martin, Scottie, Robot, etc.), real-time RX/TX monitoring, and easy image editing. Its user-friendly interface and reliability make MMSTV a favorite choice among ham operators worldwide. Ideal for showcasing QSL cards, shack photos, or technical diagrams over the ai An excellent SSTV program that requires only a computer with soundcard, no expensive TNC required. Works on all Windows version including Windows XP, Vista and Windows 7.
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Complete guide to build Jpole antennas with online dimensions calculator.
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Theory and construction of a novel trapless center-loaded off-center-fed (cl-ocf) dipole or windom antenna for the 80, 40, 30, 20, 15 and 10m hf amateur radio bands
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The page provides a project for an indoor wire antenna for the 7 MHz band, based on a design by F6CYV. It aims to help amateur radio operators lacking space to set up an antenna for 40 meters. The author shares their experience using the antenna inside an apartment, noting good reception of European signals and contacts with over 150 countries. The project details the materials and dimensions needed for the antenna, along with tips for optimal performance.
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Low noise, receive only coax loop antennas for 160 - 10 meters HF bands
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From WH2T Dr Ace's Double Bazooka Coaxial Dipole
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A very clomplete ham radio software collection for SSTV, FAX, and WX
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PDF article about a coaxial 1:1 balun, original concept by I4BBE using a quarter-wavelength and the three-quarter-wave adapting sections with the 50-Ohm coaxial cable by I0QM
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MFJ manufacturer of ham radio antenna products, antenna tuners, antenna analyzers, morse code & CW, SWR wattmeters, antenna accessories , power supplies, audio filters, TVI filters, baluns, coax switches and more
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Building this antenna is very easy and inexpensive, 6 Foot EH Antenna
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Here you will find many information on loop antennas.