New Antennas 7J4ALL from Japan
Antenna
![NVIS: Near Vertical Incidence Skywave [ PodCast ]](https://i0.wp.com/www.nerfd.net/wp-content/uploads/2020/09/24180150-265x168-1.jpg?w=635&ssl=1)
NVIS: Near Vertical Incidence Skywave [ PodCast ]
Sometimes the best direction to send your signal is straight up! Near vertical incidence skywave, or NVIS, is a skywave radio-wave propagation path… Read more
Baluns : What They Do And How They Do lt
By Roy lV. Lewallen I’ve always been a bit bothered by balunst since I was never sure what they are supposed to dot let alone hotv they… Read more
RigExpert AA-30.Zero – HF Antenna Analyzer (0.6 TO 30 MHZ)
A standard AA-30 analyzer but without enclosure, LCD display and keypad. But .ZERO is even more powerful than the good old AA-30. Description RigExper… Read more
3D Print – 3 element 2m (145 MHz) Ultra Portable yagi
3D Print – 3 element 2m (145 MHz) Ultra Portable yagi by OK1CDJ Description Tape measurement yagi. Weight only 170 g. The longest part is 530 mm… Read more
Portable TW Antenna
“Preserving and building upon the legacy of this premier portable HF antenna line, DX Engineering is now the manufacturer of TW Antennas!* DX En… Read more
Review
![Coaxial Cable Preparation Tools for Crimp Connectors [ Video ]](https://i0.wp.com/www.nerfd.net/wp-content/uploads/2020/09/dxe-ut-kit-cc1_at_xl-265x168-1.jpg?w=635&ssl=1)
Coaxial Cable Preparation Tools for Crimp Connectors [ Video ]
Strips Cable Type Belden 8213 RG11/U Belden 8214 RG-8 Foam Belden 8237 RG-8/U Belden 8267 RG-213 Belden 9258 RG-8X Belden 9913F7 Davis RF BURY-FLEX DX… Read more
Building an Ultra Portable Go-Box
LUITON LT-898UV Dual Band Mobile Main features: 1. Dual band: 136-174MHz/400-470MHz/245MHz (Receive only) ; 2. Dual Reception/Dual Display ; 3…. Read more
Is Your SWR Meter Being Honest With You? – Ham Radio Basics–Jim Heath W6LG
“The answer may surprise you. There is some distortion in the audio towards the end of the video. Read more
Equipment
The ACOM 3x2000A
The ACOM 3x2000A The ACOM 3x2000A is a HF power splitter / combiner which is a passive device designed to sum the outputs of three HF linear am… Read more
Ampleon announces the industry’s most rugged 2KW RF power LDMOS transistor for ISM applications
Ampleon has released the first of a family of RF power devices based upon its Advanced Rugged Technology (ART) derivative of the proven 9th generation… Read more
ECOFLEX 15 is a flexible low-loss coaxil cable
ECOFLEX 15 is a flexible low-loss coaxial cable for use in the frequency range of DC – 6 GHz. Its unique construction combines the low loss prop… Read more
HAMlab 160-6 100W – SDR Transceiver
HAMlab 160-6 100W – SDR Transceiver Highlights SDR + measurement instruments rugged steel housing LDMOSFET 10W Linear amplifier (160M-6M) 1Gsps… Read more
New tinySA is here!
The tinySA is a small spectrum analyzer, primarily intended for 0.1MHz to 350MHz input but it has some nice other capabilities: Spectrum Analyzer with… 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
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