short wave kits

50MHz J-Pole Antenna  ^pop - Need a general purpose antenna on the magic band? The J-Pole is an easy-to-build and inexpensive device that provides an omni-directional vertically polarised antenna without the need for a ground plane. In technical terms, it is an end fed vertical 1/2 wave which is fed via a 1/4 wave matching stub.

ZZ Wave Net - ZZ Wave Net is a 40 & 80 meter full wave loop designed to fit on a city lot. ZZ Antenna is a folded dipole bent into an inverted V loop

Super J-Pole plans - The super J-pole is a regular J-pole antenna with a 1/2 wave element mounted above with a 1/2 wave phasing harness connecting the element to the bottom part of the J-pole. The antenna can be built for any band, but I built mine for 2 meters

Moxon Rectangle Calculator - Program to calculate the dimentions of a Moxon Rectangle. All equations correlated to NEC antenna modeling software for wire diameters from 1e-5 to 1e-2 wavelengths.

W1GHZ Microwave Antenna Book - The W1GHZ Online Microwave Antenna Book online

SWL antenna distribution system - A methodology for connecting multiple LF/MF/HF receivers to a single antenna via readily available and inexpensive 75-ohm TV cable. Custom made baluns and splitters provide impedance matching and prevent interaction between receivers.

SkyWaves N3FRQ - AN/ARC-5, Russian maritime radios

HFRadio.org Discussion Forums - Discussion groups for Shortwave Listening, Propagation, Amateur Radio, and related topics.

ARTRA QRP Kits - Lots of homebrew kits, you can buy kits or download as free, Association des Réalisation et Techniques RadioAmateurs. Transceivers, filters, converters, frequency meters, antenna analyzers, ATV receivers, interfaces

Radio waves below 22 kHz - Exploring ULF-ELF and VLF radio band

Current Optimal Frequency Charts - Optimal Working Frequencies (MHz) for High Frequency (HF) / Shortwave Radio. By region, updated monthy.

HF - VHF Radiowave Propagation Center - High frequecy and VHF radio propagation data, solar and geomagnetic real-time and historic data, as well as forecasts. A comprehensive propagation resource compiled by Tomas Hood, editor of the propagation columns of CQ, CQ VHF, Popular Communications, and Monitoring Times magazines. Solar Weather, Geomagnetic, Aurora, Ionospheric reports via eAlerts and webpage. WAP phone access. Live and educational resources, and more.

Radio Nepal - Radio Nepal airs broadcasts on mediumwave, shortwave and FM frequencies and news bulletins and music on the Internet via RealAudio.

Swiss Radio International - An online database of Swiss Radio International shortwave and satellite frequencies and schedules which may be searched by language, target country and/or region.

Radio New Zealand International - Radio New Zealand International is a Shortwave Broadcaster. Our broadcasts are beamed to the island nations of the Pacific but can also be heard in other parts of the world.

Radio Veritas Asia - The Missionary of Asia - A Catholic shortwave broadcaster in Quezon City, Philippines which transmits programs to Asia in 17 languages.

Radio Romania International - Broadcasts over 47 hours daily on short and medium waves. Conducts a DX Club for SWLs and DXers.

The Radio Informer - The latest info on the world of radio including:world,shortwave,pirate,digital,mw,lw news,links.

DX-Antwerp - A Flemish association of shortwave listeners

English SW Broadcasters - English language International Shortwave broadcasts listed by search time.

Scancorder - With Scancorder you can record and replay audio from your scanner using your computer soundcard. The audio is recorded digitally as a wave file, so that even digital modes can be re-processed or analysed later.

AZMap - Azimuthal maps generator - AZMap is a freeware Windows program for the Windows PC which will generate, display, and print an Azimuthal-Equidistance (A-E) map of the world, centered at any point on the surface of the earth (except very near the poles). The A-E map is also known as a Great Circle map since straight lines from the center point to any other point always fall along a great circle path and represent the shortest distance between the center and that point

Nlog - Palm os logging program 19 seperate fields for detailed records Stores thousands of records Find records quickly using the PDA's built in search engine User customizable fields Beam records to other handhelds View multiple records at once Print records to you IR printer Great for shortwave listening

Electromagnetic Radiation Explained - by Jim Hawkins - WA2WHV How Radio Waves Are Born

Receive only processing equipment - One of our most popular products, receiving preamplifiers are used for achieving top signal band performance in competition operating, low noise longwave reception, repeater applications into the UHF region, or lab use