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Comments received from QRP-L members concerning their experiences with GAP antennas.

Circuit Diagram and Construction of the Bartling RX-40 Joachim Munch DF4ZS

Recepteur decametrique 3 - 30 MHz Detection classique et SDR

A comprehensive listing of AM Stereo radio stations in North America with listening tips, news, AM mono to stereo radio conversion information, sources of AM Stereo receivers and a history of AM Stereo broadcasting.

How to receive images from orbiting noaa weather satellites using simple receiving equipment and a computer by G4ILO

Software Defined Radio Projects, HF Receivers and Transceivers projects by YU1LM/QRP

Tests on a preamplifier for 50 MHz installed right at the feedpoint of the antenna.

Dual phase coherent Software Defined Radio using two K2 Elecraft receivers and programming in Matlab/Simulink.

DX-LIST is an email list (reflector) for amateur radio operators wishing to receive DX information via email.

Modifications and improveents for the realistic DX-100L HF receiver by ON6MU

European supplier of radio communication receivers and scanners, transceivers, antennas, cables, connectors, GPS and accessories based in Prhaha Czeck republic.

Receive-only loop antennas have some nice response characteristics that make them ideal when used for reception of skywave signals.

Digital Amateur Television web sited include a D-ATV transmitter, D-ATV receiver, D-ATV modulator D-ATV schematics by RA3TTS

The electronic qsl card centre, send and receive QSL card electonically

Shortwave radio receivers review site featuring radios by JRC AOR Icom Kenwood Lowe Yaesu Perseus SDR CiaoRadio SDR Drake Hagenuk Sony Kneisner&Doering Reuter and RadioJet

RS41 Tracker is a software running on Windows that it is able to decode telemetries generated by Vaisala RS41 radiosondes. Used with a FM radio receiver it allows to display radiosonde positions on a map.

With all the wire you have out, you may run into a problem with static buildup on the antennas. This static may try to make its way into your receiver, causing you major problems and damage that can run into a lot of money.

Third-order Cauer filters can boost performance of multi-transmitter, multi-operator contest stations to the next level. The filters are practical and you don’t need expensive test equipment to align them.

Ham radio shop for APRS digipeaters WX3in1, RPTC, GSM devices, SDR software defined radio producrsa, APRS trackers and GPS Receivers based in Poland

This graphics-intensive program designs and analyzes active quadrature ("90-degree") networks for use in SSB transmitters and receivers.

Schematic of a homebrew receiver and keying

Mods for Icom 756 Series including eSSB Mid-Fi Mods for Receiver and Transmitter

Direct Conversion Receiver for Software Radio Soft66AD

QST Magazine Product Reviews - Key Measurements Summary - HF-Transceivers or Receiver and Linear Amplifiers

You can now build and run your own ADS-B ground station that can be installed anywhere and receive real-time data directly from airplanes on your computer

Accurate calibration of your receiver and sound card is necessary for good results with the weak signal modes in use at LF. Modern receivers with master oscillators that are synthesized to provide all conversion frequencies greatly simplify the process. This article describes a method of making the necessary measurements and adjustments to an ICOM R75 receiver and a sound card, using the ARGO software

Sony ICF-SC1PC Scanning receiver program

The Burnham Beaches Radio Club frequency counter is a PIC micro controller based frequency counter with LCD readout. It can be used stand alone or the in built offsets allow integration into a receiver

Using a PC with soundcard as a VLF receiver, how to use your PC as a receiver for narrow-band signals in the VLF radio spectrum by DL4YHF

Computers, TV's, and Switching Systems can cause noises to your receiver

tk150 is open source, multi-platform cloning software for the Standard (Yaesu) VR-150 portable receiver.

Here you will find information on how antennas behave when stacked G/T is an important figure-of-merit for the antenna's overall receive performance, because it balances forward gain (G) against received thermal noise (T).

Connect your R-20 Communications Receiver to your computer. Put your listening hobby on your computer desktop.

Technical resource and information on improving ft1000 receiver performance

tk3 is open source software designed for the ICOM IC-R3 receiver. Though tk3 is intended chiefly for Linux, MacOS X, and BSD users, it will work on Microsoft Windows too.

DroidSSTV lets you transmit and receive amateur radio (ham radio) slow scan TV (SSTV) on your Android Smartphone or Android tablet. This communications app is a great tool for portable amateur radio SSTV operation. Just connect your Android phone or tablet to an HF radio, tune on to an SSTV frequency, and watch the pictures scroll onto the screen. DroidSSTV supports the modes Scottie 1, Scottie 2, Scottie DX, Martin 1, and Martin 2 at this time.

How to receive JT-65 signals using a cheap RTL-SDR dongle with the 820T2 tuner chip

The KX3 Companion in an app that will let the power use of your Elecraft KX3 HF radio easier and lighter. No need for a PC! It will let you send and receive CW, PSK31 and RTTY by using your mobile phone or tablet keyboard. Optionally you can use an external Bluetooth keyboard connected to your Android device.

Supplier of two-way radio products and accessories to large and small businesses, volunteer groups, radio amateurs and individuals. Transceivers, receivers, antennas cw keys based in London UK

Meteor Shower, Aurora, Sporadic-E and Solar Flares detected using Radio Signal Reflection, by Andy Smith, G7IZU. Live waterfall displays from three receivers, live Es propagation maps.

A led electroluminescent radio receiver

Low power radio modules - supplying rf modules, rf transceivers, radiometrix transmitters receivers, low power radio modules, scada, frequency hopping, 900 mhz, wireless data transmission, data telemetry, gps modules & receivers and more

Fully seachable and ordered QSL cards gallery includes front and back of thousands of QSL cards received by HB9DHG

Yaesu VX-150, VX-170 BATTERY questions

Radio electronic and antenna consulting, servicing and buildups of customer supplied components. Transmitter and receiver site work and on line help.

Born as a companion transmitter for the Yaesu FRG-7 receiver has become a stand alone tramsmitter for 160 meters band

Allow CW/SSB reception of radio amateurs bands by PA2OHH

VA3CR repair of a Mark V receiver that won't receive

MPfilters is a Windows-based program which enables you to select the Yaesu FT-1000MP and FT-1000MP Mark V main receiver and sub receiver IF filters via the radio’s CAT port

PDF File of the IC R7100 communication receiver service manual