Categoria: Notizie QRZ Now (http://qrznow.com)

Measure length of coax, etc. with your scope, a battery and a resistor – simple TDR
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Measure length of coax, etc. with your scope, a battery and a resistor – simple TDR

Measure length of coax, etc. with your scope, a battery and a resistor – simple TDR Antenna Force 12 FPA-20-OCF Vertical running through 8 to…

Certificates and other changes [ CQ WW ]
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Certificates and other changes [ CQ WW ]

“ Certificates and other changes We have made some changes to the CQ WW Contest online score reporting to support requests we have received from…

ARISS: Celebrating 20 Years of Continuous Operations on ISS
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ARISS: Celebrating 20 Years of Continuous Operations on ISS

Twenty years ago – November 13, 2020 – the Expedition-1 crew turned on the ARISS Ericsson radio for the first time and completed several contacts…

KN-990 HF 0.1~30MHz SSB/CW/AM/FM/DIGITAL IF-DSP Amateur Ham Shortwave Radio Transceiver Spectrum
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KN-990 HF 0.1~30MHz SSB/CW/AM/FM/DIGITAL IF-DSP Amateur Ham Shortwave Radio Transceiver Spectrum

KN-990 Features: 3.5 inch LCD, without touch fuctionFrequency range: Reception: 0.1~30MHztransmitting : Amateur shortwave bandWorking mode: SSB/CW/AM/FM/DIGITALReceiving sensitivity: 0.2uVMinimum frequency step: 10HzWorking voltage: 12~15V DCCurrent parameter: RX …

mAT-705 Tuner Introduction
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mAT-705 Tuner Introduction

mAT-705 Tuner Introduction The MAT-705 is a very small and powerful tuner for portable shortwave devices, especially designed for the Icom IC-705. The MAT-705 tunes…

Geomagnetic Storm Watches Are in Effect through December 11
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Geomagnetic Storm Watches Are in Effect through December 11

NOAA’s Space Weather Prediction Center (SWPC) reports that geomagnetic storm watches are in effect through December 11, due to the effects of a direct coronal mass ejection (CME) collision…

A One-Two Direct Punch from the Sun | Informal Solar Storm Forecast 12-08-2020
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A One-Two Direct Punch from the Sun | Informal Solar Storm Forecast 12-08-2020

A One-Two Direct Punch from the Sun | Informal Solar Storm Forecast 12-08-2020 Antenna MAX6 -Antenna Analyzers December 03, 2015 No comments Antenna Analyzers  …

Iceland: 1850 kHz authorization renewed
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Iceland: 1850 kHz authorization renewed

Iceland’s IRA received a positive response from the Post and Telecom Administration (PTA), December 4, to their request to renewal the authorization to use 1850-1900…

FTDX10 – New Video
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FTDX10 – New Video

FTDX10 Hybrid SDR Configuration: Like the FTDX101 series, the new FTDX10 utilizes the Yaesu Hybrid SDR configuration – Narrow Band SDR and Direct Sampling SDR….

Turn a Cheap Ham Radio Into An APRS & WinLink Transceiver
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Turn a Cheap Ham Radio Into An APRS & WinLink Transceiver

“Today we take a look at the Mobilinkd TNC3. The TNC3 uses the KISS protocol to feed packet data to your phone or computer over…

QYT KT-780 Plus 100 Watts 2 meter Mobile Radio Review and Demo
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QYT KT-780 Plus 100 Watts 2 meter Mobile Radio Review and Demo

The QYT KT-780 Plus is a 100 watt mobile radio on the 2 meter Amateur Radio Band, and works on FM mode. Today we will…

Build your own Roll Up Slim Jim Antenna for the 2 Meter Ham Radio Band.
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Build your own Roll Up Slim Jim Antenna for the 2 Meter Ham Radio Band.

Build your own Roll Up Slim Jim Antenna for the 2 Meter Ham Radio Band. Antenna Comet mobile antenna of 430MHz band – ASF-430 April…

THE NEW MOUNTAIN TOPPER MTR-4B V2 BY LNR PRECISION
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THE NEW MOUNTAIN TOPPER MTR-4B V2 BY LNR PRECISION

MTR-4B V2 Photos COMING SOON “The Mountain Topper” The LnR Precision MTR transceivers are designed to be efficient portable CW rigs. Whether climbing a mountain…

C7.4 solar flare
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C7.4 solar flare

Solar activity has been fairly boring during the past few days but a surprise solar flare woke us up. A long duration C7.41 solar flare peaked…

The AD-3446 is a new large, full-size antenna for 40, 20, 15 and 10 meters
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The AD-3446 is a new large, full-size antenna for 40, 20, 15 and 10 meters

The AD-3446 is a new large, full-size antenna for 40, 20, 15 and 10 meters. 4 efficient monobenders per 1 traverse: 3 elements per 40m with…

New Antenna Physics Book from ARRL!
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New Antenna Physics Book from ARRL!

Written to bridge the gap between basic theory and graduate-level engineering texts, the second edition of Antenna Physics: An Introduction includes new material to help you better…

Valerie NV9L & Raisa R1BIG: to meet a future spouse in a Ham Contest?
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Valerie NV9L & Raisa R1BIG: to meet a future spouse in a Ham Contest?

Valerie NV9L & Raisa R1BIG: to meet a future spouse in a Ham Contest? Antenna SUPER VERTICAL 80/160 DX [ New Version 22 m Height]…

SuperAntenna: Oggie AC3EK’s Experience
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SuperAntenna: Oggie AC3EK’s Experience

SuperAntenna: Oggie AC3EK’s Experience Antenna Custom Antenna Insulator online .STL creator December 25, 2014 No comments Custom Antenna Insulator online .STL creator You can generate…

Ham Radio Deluxe
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Ham Radio Deluxe

Read this BEFORE you download and install this software. Keys formatted like “ASDF-QWER-ZXCV-ASDF” will NOT work. That software license server was replaced in July 2019….

Launch Window for AMSAT’s RadFxSat-2 / Fox-1E Opens on December 19
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Launch Window for AMSAT’s RadFxSat-2 / Fox-1E Opens on December 19

The launch that will carry AMSAT’s RadFxSat-2 / Fox-1E CubeSat into orbit will likely take place later this month. Virgin Orbit has announced that the…

ARRL to Award John Devoldere, ON4UN, Memorial Plaque for ARRL 160-Meter Contest
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ARRL to Award John Devoldere, ON4UN, Memorial Plaque for ARRL 160-Meter Contest

For the ARRL 160-Meter Contest taking place December 4 – 6 UTC, the ARRL Programs and Services Committee — on behalf of the ARRL Board of Directors…

NanoVNA SAA2 Version 2 Vector Network Analyzer – Ham Radio Antenna Analyzer
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NanoVNA SAA2 Version 2 Vector Network Analyzer – Ham Radio Antenna Analyzer

NanoVNA SAA2 Version 2 Vector Network Analyzer – Ham Radio Antenna Analyzer Antenna Momobeam MB17 10/15/20/40 m – Yagi Antenna January 05, 2017 No comments…

Introducing QCX-mini 5W CW transceiver!
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Introducing QCX-mini 5W CW transceiver!

The miniature version of our popular QCX 5W CW transceiver, with special portable-friendly features for SOTA and other portable operators: – Small size: 95 x…

YAESU FTDX10 [ VIDEO ]
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YAESU FTDX10 [ VIDEO ]

YAESU FTDX10 Antenna New Antenna Uses Saltwater and Plastic to Steer Radio Beams September 21, 2019 No comments Liquid-based antennas offer unique advantages over metal…

FCC to Require Email Addresses on Applications
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FCC to Require Email Addresses on Applications

Amateur radio licensees and candidates will have to provide the FCC with an email address on applications, effective sometime in mid-2021. If no email address…