part number

A model of a practical Ruthroff 1:4 balun - The 1:4 balun is of particular interest because it underlies many other configurations, and understanding it helps towards understanding the other Ruthroff balun configurations.

Let's talk transmission lines - Don’t neglect one of the most important parts of your station!

Ultimate Portable HF Vertical Antenna - A light and compact antenna that is easy to build, and easy to find parts for. Band coverage is 60 through 10 meters.

A screwdriver antenna in a fixed install Priority listing - Tired of tuners and wires? Put up a screwdriver antenna in a fixed install for multiband operation (80m to 10m) with low SWR. No tuner is needed!

Old Radio Parts - Vintage and reproduction electronic parts specialist - Antique radio dials and knobs, 1940-1970 era phonograph cartridges, needles, idler wheels.

DA1BT Bitburg American Radio Club (BARC) - A group of American amateur radio operators who are living in Germany and come together to participate in amateur radio activities

Georgia QSO Party

EU Sprint - The EU Sprint Gang hereby invites you to participate in the four European Sprint Contests.

WAE-DX-Contest - The Deutscher Amateur Radio Club (DARC) invites radio amateurs world wide to participate in the annual WAE-DX-Contest. CW SSB and RTTY Contests

IOTA Bearing & Distance list for your QTH - A list of all IOTA reference numbers and IOTA groups for the Islands On The Air award, personalised to your own QTH

ARRLWeb: A Study of Amateur Radio Gender Demographics - A Study of Amateur Radio Gender Demographics. How many ham radio operators in the usa ? Estimated Number of Hams in Each State, by Gender

Australian amateur population trends 1998 - 2007 - Over recent years the number of issued amateur licences has been declining, the trend was about 2.8% pa decline over the five years to 2002.

Las Vegas Metro Police Department 24/7 Scanner  ^pop - Las Vegas, NV Police scanner. It is 24/7 and live.

Muscogee Live Police Scanner - This site allows you to listen to Columbus, Georgia Police and Fire Department radio communications

Maycom Communications - maycom communications products has been industry distributor for over 30 years . Offer main line products and parts for many hard to find items . Antenna Mounts and Accessories basd in Michigan USA

GIGAVAC Ham Radio Relays - Gigavac is a leading designer, manufacturer, and worldwide seller of contactors and high voltage relays using vacuum, gas filled, and high voltage reed relay technology. hv relay applications information with cross reference charts for kilovac / tyco, jennings, and crydom part numbers.

Kits and Parts dot Com - Supplying Toroids, Electronic Parts and Kits to Engineers, Schools and Hobbyists

Citizen Weather Observer Program - A private-public partnership with three main goals to collect weather data contributed by citizens; to make these data available for weather services and homeland security; and to provide feedback to the data contributors so that they have the tools to check and improve their data quality

UK Radio Amateurs Annual CW Table - The purpose of the table is to encourage CW activity on the HF bands and six metres. Each year participants start afresh and work as many DXCC entities on each of the ten bands as possible between 0000Z on 1st January and 2400Z on 31st December

Crystal Radio Supply - Offering Crystal Radios, Kits, Parts, and Supplies for the Radio enthusiast. Your source for free powered radios.

QSL Card Albums and Organizers - Cheap qsl card holders, albums and organizers. Fast delivery also has a number of other archival safe products through archivesafe.com and qsl card paper for printing your own qsl cards.

glfer - glfer is a program for reception and transmission of QRSS/DFCW signals. It is composed of two main parts: the spectrogram window, where you can see the spectrum of the received signal vs. time the transmission functions, to emit cw characters at a slow but precisely controlled speed, using the QRSS (slow CW) or DFCW (Dual Frequency CW) modes

59+ Converter - 59+ Converter is an external application which can be obtained as a part of the 59+ Software package that provides extended functionality for exporting, importing and modifying existing 59+ Log databases, dictionaries and tables.

Century Club Logger - Century Club Logger is for any individual whether they are a Net Control Station or just a user checking into any of the 3905 Century Club Nets who needs to maintain accurate records about all aspects of particular net.

HourWorld World Clock - HourWorld is a program with rich graphics that can show you what time it is in a certain part of the world, and well as demonstrate what is actually looks like over the globe.