Today, Earth-orbiting satellites detected the biggest solar flare in more than 3 years.
The M4.4-category eruption produced a shortwave radio blackout over some parts of Earth and a bright coronal mass ejection (CME). Remarkably, the flare was even bigger than it seemed. The blast site is located just behind the sun’s southeastern limb, so the explosion was partially eclipsed by the body of the sun.
SEE MORE : https://spaceweather.com/
Antenna
How I designed the Nebula eXtreme Multiband 18m DX Commander Antenna
eXtreme Multiband 18m DX Read more
MAX6 -Antenna Analyzers
Antenna Analyzers MAX6 antenna analyzer is not just an ordinary meter for antenna – it’s much more! Built-in radio signal meter allows you to… Read more
10 Element Triple Monobander 80/40/20m – OptiBeam
OptiBeam OB804020 10 Element Triple Monobander 80/40/20m Bands 80 / 40 / 20 Gain (dBd) * 3,8 / 4,8 / 8,4 … Read more
Antenna Gain Explained by KB9VBR
Check great article from KB9VBR – Antenna Gain Explained Also Visit J-Pole Antenna Shop Read more
SmartSDR for iOS v3.06.02 Now Available
FlexRadio Systems announces the release of SmartSDR for iOS v3.06.02 is now available for download or update from the Apple App Store. This App requir… Read more
Review
D-STAR Picture Messaging, Texting and Mapping, Bluetooth App
Using my ID-5100A in the vehicle, I’ll show you how the app works, group texting and then send a picture back and forth over D-STAR to John KM4M… Read more
SunSDR2 DX HF Transceiver Setup and Demo
Expert Electronics SunSDR2 DX HF 100W, 6M 50W, VHF 8W Transceiver with Direct Digitization and Direct Signal Synthesis The SunSDR2 DX transceiver base… Read more
Review of the new RSPdx SDR receiver by SDRplay
This new model has a metal case, three antenna connectors and several circuitry upgrades that make it the performance leader in the SDRplay line-up. Read more
Equipment
Stryker SR-94 HPC – “Coming Soon”
Stryker SR-94 HPC FULL Featured Radio! 45+ Watts PEP AM / FM 10 & 12 Meters PC Programmable CTCSS / Rep Offsets MIC / RF Gain Controls RF Power Hi… Read more
COMET ANTENNA ANALYZER CAA-500MARKII
CAA-500MARKII The NEW CAA-500MARKII SWR/Impedance Analyzer is finally arriving from the Comet factory! The new analyzer retains the same analog cross… Read more
Ailunce HS1 HF SDR HAM Transceiver
Ailunce HS1 Specification: Frequency Range: 0.5-30MHz Operating Mode – SSB(J3E)，CW，AM(RX Only), FM, FREE-DV TX Power: Max to 15w Product Dimensi… Read more
![The Icom IC-9700 manual is now available [ ENGLISH ]](https://i0.wp.com/www.nerfd.net/wp-content/uploads/2020/11/ic9700_manual-265x168-2.jpg?w=635&ssl=1)
The Icom IC-9700 manual is now available [ ENGLISH ]
IC-9700 manual “The Icom IC-9700 manual is now available in Japanese on the Icom website. Here is a link to a “rough” English… Read more
![ICOM IC-705 [New]](https://i0.wp.com/www.nerfd.net/wp-content/uploads/2020/11/705-1068x601-265x168-2.jpg?w=635&ssl=1)
ICOM IC-705 [New]
ICOM IC-705 IC-705 has just been unveiled by Icom at the Tokyo Ham Fair. This is a portable HF/VHF/UHF transceiver featuring SDR technology, internal… Read more
News
QCX-mini to be available for order later this week
From Hans G0UPL: Great excitement here at QRP Labs Towers just half an hour ago, middle of the QCX challenge (from which I am abstaining this month)… Read more
DXCommander Expedition Build & Review! Impressive Ham Radio Antenna!
Callum has created quite an impressive line of antennas that fit various ham radio use cases. Today we look at his portable offering The Expedition an… Read more
Coast Guard Proposes to Discontinue HF Voice Watchkeeping
The US Coast Guard has invited comments by January 21, 2021, on a proposal to discontinue HF voice watchkeeping. The proposal appeared on No… Read more
RadioShack to be reborn
RadioShack The good news is that as of today RadioShack has officially been purchased by Retail Ecommerce Ventures (REV), giving the troubled company… Read more
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