The Elecraft K4 High Performance Direct Sampling SDR
Antenna
How High should my Dipole Antenna be?
Dipole Antennas – the Effect of Height Above Ground I frequently hear the question: how high should my dipole be? Or alternatively, will my dipo… Read more
4-Radio 8-Antenna Switch – Array Solutions
This compact system allows you to share up to 8 different antennas with 4 different radios. Perfect for Multi-Single, Multi-2, and some small M… Read more
GigActiv GA3005 Ultra Wideband
GigActiv GA3005 Ultra Wideband Frequenzy range : 9 kHz – 3 GHz Power Supply: 5,5V – 15V Gain: + 3dB Upper Frequency Limit (-1db): 3000 MHz… Read more
40/20/10 Meter Fan Dipole Attic Antenna by KD2GOE
40/20/10 Meter Fan Dipole Attic Antenna by KD2GOE Read Full Article on http://www.worldwidedx.com : Read more
Review
QRP Labs Clock Kit and GPS Receiver Kit
“This kit replaces my old station clock, which I managed to zap, with a new one with its own dedicated GPS receiver. The kits, from QRP-Labs.com… Read more
Performance Test of MFJ-1846 Six-Band Hex-Beam Antenna
“Performance results of MFJ-1846 Six-band hex-beam antenna. The antenna shows great directionality and ample gain. The SWR doesn’t quite c… Read more
ICOM IC-R30 Scanning Receiver is Announced
Peter Waters G3OJV at Europe’s Ham Radio Store takes a first look at the IC-R30 which is expected in the first half of 2017. … Read more
Ailunce HD1 review by Rowen Warren（KE0RTL）
Ailunce HD1 Review A few weeks ago, I received my Ailunce HD1. This is my full review of the radio. The radio itself is high quality. The quali… Read more
Unboxing of Buddipole Antenna Deluxe Package
“We unbox (unbag) and examine the Buddipole Deluxe Package. The Buddipole is a portable HF/VHF antenna that works from 40m up to 2 meters. Speci… Read more
Equipment
![Commradio CR-1a Receiver [ Video ]](https://i0.wp.com/www.nerfd.net/wp-content/uploads/2020/09/514572dc3c9d4dc202a2b97334170b1e-265x168-1.jpeg?w=635&ssl=1)
The Foxx-3 Transceiver – 80m, 60m, 40m, 30m, 20m versions available
Connections are as follows: antenna via 50 ohm BNC, power via 2 pin 0.1″ header, headphones via 3.5mm mono or stereo jack plug or 2 pin h… Read more
![PRE-RELEASE INFORMATION – IC 9700 [ ENGLISH ]](https://i0.wp.com/www.nerfd.net/wp-content/uploads/2020/09/icom_ic9700-265x168-2.jpg?w=635&ssl=1)
PRE-RELEASE INFORMATION – IC 9700 [ ENGLISH ]
IC 9700 – 144, 430/440, 1200 MHz ALL MODE TRANSCEIVER Read more
The new Elecraft SP3 Speaker
Elecraft SP3 Speaker Peter Waters, G3OJV and Justin Johnson G0KSC are in the US in the lead up to Newark collecting information and products for a… Read more
Hilberling HPA-8000B-54 Power Amplifier
HPA-8000B-54 1kW Out Linear Amplifier 1.8 … 54 MHz Amateur Radio Bands 160 / 80 / 40 / 30 / 20 17 / 15 / 12 / 10 / 6 m All-Mode AM / FM / SSB /… Read more
News
Amateur Radio in New York City on 9/11
NYC Fox 5 news clip on amateur radio operations relating to the attacks of September 11, 2011 in New York City. Charles Hargrove, N2NOV (shown in the… Read more
NASA, NOAA to Discuss Solar Cycle Prediction During Media Teleconference
The Sun goes through regular cycles of approximately 11-years, during which time activity on the Sun, such as solar eruptions and sunspots, wax and wa… Read more
Worked All Europe DX Contest SSB !2020
Many leading contesters claim the WAEDC to be the most challenging contest of the year. Being a true blue DX contest, only intercontinental QSOs betwe… Read more
Brazil Proposes to End Amateur Radio Exams
The Brazilian National Telecommunications Agency (ANATEL) has proposed to end amateur radio certificate exams for all classes, replacing the current s… Read more
The post 21st Century Transceiver Design: The K4 High Performance Direct Sampling SDR appeared first on QRZ NOW – Ham Radio News.