receive 121.5 online

EH Antenna calculator  ^pop - Calculate eh antenna components dimension with this online form

Jpole by EA6IC - Jpole antenna plan for 144 and 435 Mhz

A Small Wire Loop Antennas for 160 meters  ^pop - Low noise, receive only coax loop antennas for 160 - 10 meters HF bands

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

The Daily DX - The Daily DX is the pre-eminent Internet DX bulletin. You will receive DX news that is instantaneous and unreliant on the US Postal service. Your DX news will be automatically delivered to your home or office by e-mail Monday through Friday, 50 weeks per year. Unlike other bulletins which may take 2-5 days to reach you, The Daily DX news arrives before the information is out-of-date.

Young Amateur Radio Operators Club (YAROC) - Bedfordshire and Hertfordshire, UK-based group for young radio amateurs. Includes club information, online registration, guestbook and links.

PCR100 On-line receiver , The Netherlands - PCR100 Receiver by PA3ANG

Mareeba online scanner - Located in Mareeba, Australia.

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

PROCOM Antennas - Manufacturer of communications antennas, bandpass filters, RF combiners, receiver multicouplers, diplexers, duplexers, RF connectors, RF circulators, RF isolators, RF couplers and SWR meters

QRP homebrew equipment by py2ohh - py2ohh homebrewing of receivers, transmiters and Test Equipment for ham and swl, using cheap, easy to find or surplus components

Online repeater in Los Angeles - An amateur radio web site serving the notorious 147.435Mhz Repeater in Los Angeles. Listen to the Shoutcast Live Streaming Audio.

G7IZU Radio Reflection Detection Page - 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.

ICOM-706 TX RX Extended mods - extended transmit from 1.6 to 54 MHz, receive from .05 to about 165 MHz

RTSH - Online - Radio Tirana and Albanian Television (RTSH) broadcasts local news, music, and entertainment programs via FM, TV and mediumwave and international programs in 7 languages by shortwave radio.

Radio Afrique - What may be received from africa in north-west of france, french and english data

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.

WiNRADiO for Mac - 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

RxPlus - A full featured Receiver Controller for TenTec Rx320 with Audio Processor, digital modes decoder, ILG DataBase Manager and much more. Support for Drake R8A/B,ICOM PCR-1000, ICOM R756Pro and ICOM R756 Pro I ICOM IC-R75, JRC NRD-535, Kenwood R5000, TenTec RX320(D) and TenTec RX350D receivers

LNK Receiver Preamp - It is tempting to hope that a preamp can make any receiver more sensitive, in any situation. But, it is important to understand what happens when you add a preamp before a receiver.

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

RFI Information Page - This page gives information about Radio Frequency Interference, the unwanted reception of radio signals. You'll find out how to determine what is at fault (the transmitter or the receiver) and what you can do in either case.

Ham Radio Online - Computer Networking RFI - This page is to provide links to resources and information regarding technologies to reduce computer interference

Regenerative Radio Receiver Circuit - Useful and well thought out regenerative receiver design

WD5HOH Regenerative(Regen) Receiver - This web page describes a small, single tuned circuit regenerative receiver primarily for daylight reception in the 16, 19, 22 and 25 meter international shortwave broadcast bands.