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

Reduce Common Mode Current (CMC) with a Easy to Build Choke
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Reduce Common Mode Current (CMC) with a Easy to Build Choke

Common Mode Current can really mess with RFI and cause interference in the shack. In addition, you could also be receiving unwanted interference on the…

SHARI Pi HAT – ALLSTAR SA818 Radio Module For Raspberry Pi
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SHARI Pi HAT – ALLSTAR SA818 Radio Module For Raspberry Pi

Here we take a look at the SHARI PiHatU from Ham Projects. This Pi Hat contains an SA818 Radio module to allow RF to the…

An X-Flare Player Grows & A Solar Storm Heads for Earth
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An X-Flare Player Grows & A Solar Storm Heads for Earth

This Space Weather News forecast sponsored in part by Millersville University Antenna Coil-loaded 40/80 Meter Inverted V Dipole Antenna by KG0ZZ September 11, 2015 No…

Best Handheld Ham Radio 2021
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Best Handheld Ham Radio 2021

Today I go through my top 15 Handheld Ham Radios for 2021 – as an update to my Best Handheld of 2020 video, this is…

Deaf Pupils Set to Speak with ISS Crew Member in a World-First Event
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Deaf Pupils Set to Speak with ISS Crew Member in a World-First Event

Amateur Radio on the International Space Station (ARISS) will offer a group of pupils at the Mary Hare School for deaf children in England an opportunity to…

Amateur Radio Volunteers Assist in Major US Cycling Event
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Amateur Radio Volunteers Assist in Major US Cycling Event

On September 11, some 115 amateur radio volunteers from five states provided communication support for LoToJa, the longest single-day USA Cycling (USAC)-sanctioned bicycle event in the…

Yaesu REVEALS the FTM-6000R Dual Band Mobile Ham Radio
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Yaesu REVEALS the FTM-6000R Dual Band Mobile Ham Radio

Brand new from YAesu, dropping in October of 2021, is a new dual band Ham Radio, the FTM-6000r. This was announced today, so I wanted…

YAESU announces new Dual Band (2m/70cm) FM Mobile Transceiver! FTM-6000E
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YAESU announces new Dual Band (2m/70cm) FM Mobile Transceiver! FTM-6000E

FTM-6000E – 50W transmitting power – Reception range from 108 to 999.995 MHz – New “E2O-III” user interface – Removable control panel AND Yaesu new…

Tech-out of the Xiegu XPA125B Auto Tuner + Amplifier
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Tech-out of the Xiegu XPA125B Auto Tuner + Amplifier

Today we take a look at the Xiegu XPA125B QRP Amplifier and Auto Tuner hooked up to the Icom IC-705. This amp will work with…

Japanese radio amateurs ask for reports of Z-Sat
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Japanese radio amateurs ask for reports of Z-Sat

Yasutaka Narusawa JR2XEA of the Komaki Amateur SATCOM Club reports the satellite Z-Sat is planned to launch on an Epsilon rocket at 0048-0059 GMT on October…

How To Power Your Ham Radio Station, Power Supplies, Batteries, Mobile
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How To Power Your Ham Radio Station, Power Supplies, Batteries, Mobile

An important first step in ham radio is figuring out how you want to power your radio station. Reagrdless if it being at home or…

Building the BuddiHex Hexbeam | Best Portable Ham Radio Antenna
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Building the BuddiHex Hexbeam | Best Portable Ham Radio Antenna

Today I go through all of the steps and pieces for building the BuddiHex Hexbeam antenna from Buddpole. This might be the best portable ham…

YAESU M-90D Desktop Microphone: UNBOXING
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YAESU M-90D Desktop Microphone: UNBOXING

Yaesu M-90D Desktop Microphones utilize a finely tuned dynamic element to deliver rich low to mid frequency response, desirable for a clear and concise conversational…

HF Band Plan Review
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HF Band Plan Review

Over the past 18 month a proposal for an IARU HF Digital Mode reorganization has been undertaken by representatives of all three IARU Regions IARU-R1…

RF Ground Rod vs Concrete Patio
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RF Ground Rod vs Concrete Patio

Dave, KO4DLQ, lives in Florida and has to deal with mass amounts of lightning. Dave can relate having served there for several years when he…

Using the ARRL RF Exposure Calculator
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Using the ARRL RF Exposure Calculator

Brent, KI5HXM, has a question relating to RF exposure in a mobile environment. Dave wants to show a cool online tool to helps know the…

Stretching Antenna Bandwidths
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Stretching Antenna Bandwidths

Often on the HF bands, we find that the quoted antenna frequency bandwidth is not wide enough to cover the whole band. This can be…

ARRL, RSGB Announce Joint Events to Celebrate Centenary of Ham Radio Transatlantic Success
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ARRL, RSGB Announce Joint Events to Celebrate Centenary of Ham Radio Transatlantic Success

ARRL and the Radio Society of Great Britain will jointly sponsor events to celebrate the achievement of transatlantic communications by radio amateurs 100 years ago….

Unboxing the Radioddity GD-AT10G
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Unboxing the Radioddity GD-AT10G

Dave has recently been sent a handheld radio from Radioddity. Let the unboxing begin! 10W/5W/2.5W/1W Selectable: The Radioddity GD-AT10G is a powerful handheld radio with a…

SDR++ THE BLOAT FREE SDR SOFTWARE
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SDR++ THE BLOAT FREE SDR SOFTWARE

In this video we take a look at a new and upcoming SDR Application called SDR ++ Wide hardware support (both through SoapySDR and dedicated…

Bright Regions Emerge Too Fast To Count | Space Weather News 09.22.2021
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Bright Regions Emerge Too Fast To Count | Space Weather News 09.22.2021

Space Weather News 09.22.2021 Antenna How High Should a Dipole Be? A Look at Antenna Modeling October 05, 2017 No comments “How high should a…

IARU Region 1 Monitoring System Says Radio France International Splatter “Untenable”
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IARU Region 1 Monitoring System Says Radio France International Splatter “Untenable”

The International Amateur Radio Union (IARU) Region 1 Monitoring System (IARUMS) August newsletter reports that Radio France International was active daily between 2100 and 2200 UTC on 7205…

Choosing Lightning Arresters
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Choosing Lightning Arresters

Robert, KG5BJF, is getting ready to set up his station and his question is “How do you determine which lightning arresters are the correct ones…

HF Multiband Vertical Antenna – FALCON OUT-250B
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HF Multiband Vertical Antenna – FALCON OUT-250B

The FALCON OUT-250B is a Short Wave Multiband Vertical antenna (WARC incl.) with flat SWR across the bands. In this video I assemble, install, test,…

Why Sunspot Cycle 25 Might Be a Big One –The Latest Research for Ham Radio Operators
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Why Sunspot Cycle 25 Might Be a Big One –The Latest Research for Ham Radio Operators

Special guest Dr. Scott McIntosh explains why sunspot cycle 25 will be big Antenna Comparing Elevated 1/4w Vertical vs. Link Dipole with WSPR December 19,…