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ARRL pdf file on how remove car noise from your radio. Modern vehicles are RF noisy environments. Come learn how to identify and silence yor mobile noise sources, by WA6PDP

Adalet wireless document on antenna basics in a four pages pdf file

WiNRADiO for Mac, WiNRADiO provides Apple Macintosh support for our most popular receiver, the WR-1550e, a medium-range external receiver with frequency range 150 kHz to 1.5 GHz

Satellite antenna design and systems engineering software for windows

Animated quad and yagi comparison. You can see antennas' characteristics behavior in a vertical plane with changing of the height.

An easy to build antenna for ground reception of NOAA weather or amateur satellite signals. Double cross antenna by Gerald Martes

JTSync is a simple utility that provides the ability to synchronize your computer clock over a network with world-wide NTP servers. When the Internet connection is not available, JTSync allows you to make time adjustments based on decoded QSOs within the WSJT-X application.

Simple DIY stealth apartment antenna for 20m and 40m. It is basically a ZigZag quarter wave dipole antenna

The interface described here has been verified to work on the TH-G71 and also the the TH-F6A/TH-F7E

Learn basic theory on antennas, and notes on homebrewing efficient shortwave antennas

Satellite Finder is a way to accurately point satellite dishes at communications satellites in geostationary orbit.

Overview, summary, tutorial about the dipole antenna or dipole aerial that is widely used on its own and as the basis for other antenna designs.

List of italian airport frequencies

This program needs no other explanations because it is just a terminal program. The only difference is that it is multitasking. This means that you can have multiple connects and you can YAPP without restrictions. You can receive as many YAPPs as you wish simultaneously. If you have more than a RadioPort (You have more than a TNC) you can connect in any RadioPort. You can have also unlimited number of connections (about 100).

Notes on homebrewing antennas by Chris G4CYA, from gamma matching, to phasing antennas, splitters and combiners, baluns and measuring techniques.

This isn’t a set of step-by-step instructions, but my info might give you some ideas for building your own antenna support.

Nagara Japanese ham radio antenna manufacturer

Typical question about scanning from a prospective new operator

About 1 to 1 current balun by Roy Lewallen, W7EL

Comtech PST offers solid-state power amplifiers in frequency ranges from 1 MHz through 3.6 GHz, with output power levels ranging from 5 watts to over 30 kW

An halo stack antenna for 70 cm by KR1ST

Testing and comparison of traps and trap antennas

Real Time Flight Tracking and Monitoring

WiNRADiO Communications manufacture radio communications equipment for a very wide range of applications. Our customers include professional communications radio users in government, military, security, surveillance, spectrum monitoring organizations, telecommunications, industry, as well as radio and computer enthusiasts.

Freeware remote control software for Kenwood TS-870 by EC4DFP

Easytuner id an excel spreadsheet that tunes your radio. Works with all Kenwood and Icom receivers and transceivers that are computer-controllable. Sets receiver and transmitter frequency and mode

40mm diameter grey PVC pipe with a length of 9.5cm

Cheap AFSK TNC, APRS for everyone with arduino, BeRTOS and a STM32F100 chip by OM5AMX

An easy to build single wire antenna for 160 and 80 meters with a better than 2 to 1 swr across the 80 meter band by K5GP

There are lots of good designs for matching transformers for receiving antennas. Make it yourself it's cheap and easy, and very high performance. This is the design used in the TRX-9 transformers.

Icomcontrol a controller program for the icom pcr1000.

The MCP-F6/F7 software facilitates memory channel and menu data creation for the Kenwood TH-F6A, TH-F7A, and TH-F7E transceivers. It operates on _Windows_ XP (SP3+), Vista (SP2+), Windows 7 (RTM+), Windows 8 (RTM+), Windows 8.1 (RTM+), Windows 10, and Windows 11. System requirements include a CPU faster than the OS recommendation, RAM exceeding the OS recommendation, and **2 MB** of free hard drive space. Display resolution must be XGA (1024 x 768) or higher. Connectivity to the transceiver requires an optional PG-4Y (RS-232) or KPG-22U (USB 2.0) programming cable. The KPG-22U cable necessitates a virtual COM port driver installation. The software supports COM1 through COM20 for RS-232 communication. Installation requires administrator privileges and involves executing "setup.exe" from the extracted MFX101.zip archive. Uninstallation is performed via the Control Panel's "Uninstall a program" function or by re-executing "setup.exe." Created data files are not removed during uninstallation and require manual deletion. The software version is **1.01**. DXZone Focus: Kenwood TH-F6 F7 | Memory Management | Windows | RS-232

The Charles Gizmotchy high performance horizontal and vertical beam antennas. Two, Six, Ten and eleven meters antennas

An Antenna Rotator Project. The rotor design is based on sandwiching the gears and gear supports between two 5/16 inch 6061 T-6 aluminum plates

A base station antenna you can easily build for 146,220 or 440 MHz, with performance similar to a J-pole but smaller and less obstrusive

The Screwdriver Antenna Memory (SAM) product is designed to enhance the mobile antenna commonly called the "Screw Driver". It replaces your current control unit and provides an automated memory feature that eliminates the visual coil tuning method commonly used.

RTTY, Amtor, packtor, SSTV reference by WM2U

Easy home brew 2 meter copper jpole antenna build - under 20 bucks - Hits repeaters 45 miles away. Parts used bought at home depot build time 1 hour.

Worldwide airports informations

Great resource wth reviews, articles, and other fun CB information.

HeyWhatsThat Path Profiler is an online useful tool to do a Line of Sight calculation between yourself and the another station

What You Should Know About Lightning Protection by Joseph H. Reisert

A full line of single-channel synthesized and crystal controlled vhf and uhf fm receivers. Great for repeaters, telemetry, and control applications.

How to make a loading coil for the AD5X portable vertical antenna

Managing extensive amateur radio contact logs efficiently requires specialized software that integrates various operational aspects. Aether provides a macOS-native logging solution, designed from the ground up using Apple's Cocoa, to streamline QSO entry, organization, and retrieval for Mac users. It supports modern macOS technologies and offers an intuitive interface, aligning with the user experience expected on Apple platforms. The application includes features such as automatic dupe checking, which quickly identifies previous contacts with a station, and awards tracking, indicating if a new contact is needed for specific operating awards. Aether also integrates rig control via RS-232, automatically populating frequency, mode, and power data from supported Elecraft, Icom, Kenwood, Yaesu, and some TEN-TEC transceivers. This automation reduces manual entry errors and speeds up the logging process. Furthermore, Aether offers comprehensive QSL management, including synchronization with eQSL.cc and Logbook of The World, and the ability to print QSO detail and address labels for paper QSLs. It also incorporates automatic callbook lookup from sources like QRZ.com and HamQTH.com, and calculates distance and beam heading, with Google Maps integration for visualizing contact locations. Full ADIF and Cabrillo import/export capabilities ensure compatibility with other logging software and contest submission platforms.

A quarter-wave vertical antenna design for HF operation offers a practical solution for radio amateurs seeking a compact and efficient multi-band radiator. This project details the construction of a 5-band HF vertical, drawing inspiration from established commercial products such as the _DX COMMANDER_ and the MV6. The design emphasizes ease of assembly and disassembly, making it suitable for portable operations or installations with limited space. The article provides insights into various construction methods and offers practical tips for building a robust yet lightweight antenna. It highlights the benefits of a vertical configuration for DX contacts, particularly on the lower HF bands, and discusses real-world performance observations. The antenna is designed to cover multiple HF bands, providing versatility for various operating scenarios. Operators can achieve significant DX results with this type of antenna, often comparable to more complex arrays, especially when deployed with an effective ground system. The project aims to empower hams to build a capable antenna without significant financial outlay.

Informations about Scannings, with frequencies, information about scanning, hardware and software reviews

The RTL-SDR software by Osmocom, allow DVB-T dongles based on the Realtek RTL2832U to be used as a cheap SDR.

The page describes the construction of a simple omnidirectional, vertically-polarised dipole antenna for two metres using coaxial cable. It can be used indoors or outdoors, with no extravagant gain claims. The project is low-cost and can be completed in about 20 minutes.

G8ODE schema to reduce a half-size G5RV to 70 ft.