In this video we’ll show you how to use your computer, SDR dongle and some free software to add a panadapter display to your older, non-display HF transceiver.
Antenna
The Yagi-Uda Antenna
A Yagi-Uda antenna, commonly known simply as a Yagi antenna, is a directional antenna consisting of multiple parallel dipole elements in a line,[1] us... Read more
How High Should a Dipole Be? A Look at Antenna Modeling
“How high should a dipole be? What happens if it’s too low or too high? We turn to EZNEC antenna modeling software to see that the old rul... Read more
Choosing Wire For An Antenna
One of the most asked questions when it comes to antennas is what kind of wire should I use. The answer is as varied as the people who put them up. O... Read more
QST Antenna Design Competition Submission Deadline Looms
The deadline to submit a design for the 2018 QST Antenna Design Competition is just ahead — September 1! The competition challenge is to design the be... Read more
OB12-6 12 Element Yagi 40-20-17-15-12-10m – Optibeam
Unique in the world: 6 bands – no traps – 1 feedline – no tuning – perfect performance The new version of the OB12-6,... Read more
Review
LimeSDR Mini – Full Duplex SDR Transceiver – DATV – QO100 – Es Hail 2
The LimeSDR Mini development board is a hardware platform for developing and prototyping high-performance and logic-intensive digital and RF designs t... Read more
Review and Tutorial on Radioddity/Baofeng RD-5R DMR Dualbander
“Two Chinese companies, Radioddity and Baofeng, have teamed up to bring you the US$75 dual-band FM/DMR radio housed in the old UV-5R package. Th... Read more
How To Receive Images Directly From NOAA Satellites
NOAA Satellites Read more
Equipment
Martin introduces two products from the BHi Range
20W Modular Audio Power Amplifier – Parametric Equaliser – Optional BHi Dual Channel DSP Noise Cancelling and Bluetooth technology. Flex... Read more
S24-Mini Solar Power for Ham´s
S24-Mini Solar Power Supply This tiny, lightweight solar power supply features an integrated 40WH LiFePO4 battery, and offers plug-and-play convenienc... Read more
Expert Amps 2K FA
Expert Amps 2K FA Manual See More: Link Photos: Read more
2-way RX splitter
The splitter or combiner is a very useful device. It can provide equal voltages, equal current, or equal power to matched or unmatched loads. Like all... Read more
Electraft W2 Wattmeter
Power & SWR LED bar graphs with peak/hold Four power ranges with auto/manual selection Up to 2 remote sensors with selection switch Compact size:... Read more
News
Product Discontinuation: IC-7851 HF All Band Transceiver
“We are sorry to announce that Icom has discontinued the IC-7851 HF All Band Transceiver. Since its launch six years ago, the IC-7851 has been I... Read more
ISS SSTV Aug 6-7 145.800 MHz FM
Russian cosmonauts on the International Space Station (ISS) are planning to transmit Slow Scan TV images on 145.800 MHz FM using the SSTV mode PD-120.... Read more
JA1TOKYO – Olympic Games
Olympic Games – JA1TOKYOOn July 16 JARL opened the special commemorative station ‘JA1 TOKYO‘ in Nishitokyo City, Tokyo, to commemora... Read more
Massachusetts Court Okays Amateur Radio Tower, Citing Board of Appeals’ Error
A judge in the Massachusetts Land Court has ruled that the Zoning Board of Appeals in the City of Framingham “erred” in revoking a building permit for... Read more
FCC Investigating Alleged “Jamming” on 40 Meters
Reports suggest that jamming stations have been deployed on the lower portion of 40 meters. The jamming appears to be coming from Cuba. The signals, s... Read more
