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.
- 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 partnumbers.
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
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 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 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.