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

Observations of Over-the-Horizon Radar Interference in Ham Bands Top All Others
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Observations of Over-the-Horizon Radar Interference in Ham Bands Top All Others

The volume of reports of over-the-horizon (OTH) radar interference from observers working with the International Amateur Radio Union (IARU) Region 1 Monitoring System (IARUMS) dwarfs…

Overview of Chameleon EMCOM III Portable
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Overview of Chameleon EMCOM III Portable

The EMCOMM III Portable antenna is a portable High Frequency (HF) antenna specially designed for short to long range portable and man-pack HF communications. The…

Polish Radio Amateur Ordered to Stop Using Falkland Islands Identifier from Antarctica
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Polish Radio Amateur Ordered to Stop Using Falkland Islands Identifier from Antarctica

The Falkland Islands Communications Regulator has directed Polish radio amateur Sebastian Gleich, SQ1SGB, to cease his ham radio operation from Antarctica’s Halley VI Research Station…

Comet announce the release of the HF multi-band mini GP UHV-10
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Comet announce the release of the HF multi-band mini GP UHV-10

COMET UHV-10 “We are pleased to announce the release of the HF multi-band mini GP antenna “UHV-10” (price including tax: 25,000 yen) from mid-December. Since the…

My Favorite Ham Radio Gear Of 2021 – Gift Guide
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My Favorite Ham Radio Gear Of 2021 – Gift Guide

Time to look back over 2021 and talk about my favorite gear, why I like it and why I recommend it! Antenna BUILDING A DIY…

What’s the best antenna for in the attic?
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What’s the best antenna for in the attic?

A viewer asks: What would be your best recommended HF attic antenna? Joe and I respond with some limited space and HOA friendly options. Antenna…

Elecraft K4 Ham Radio Transceiver – Hands On, FIRST LOOK!
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Elecraft K4 Ham Radio Transceiver – Hands On, FIRST LOOK!

The Elecraft K4 is the latest and greatest HF Ham Radio Transceiver from Elecraft and today I get to sit down in front of one…

USDX USDR+ 8 Band HF SDR Transceiver
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USDX USDR+ 8 Band HF SDR Transceiver

Here we take a look at a cheap clone of a uSDX Transceiver. Antenna Can I Put One End of a Dipole Next to my…

ICOM D-STAR Third Generation Repeaters ID-RP4010V
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ICOM D-STAR Third Generation Repeaters ID-RP4010V

ICOM D-STAR Third Generation Repeaters support analog, D-STAR and a mixed mode configuration. While analog operation is for local communications, combine the D-STAR mode with…

World’s Smallest Moon Lander from Japan will Put Ham Radio Transmitter on the Moon
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World’s Smallest Moon Lander from Japan will Put Ham Radio Transmitter on the Moon

Japan’s OMOTENASHI, the world’s smallest moon lander, will have an X-band and UHF communication system, although it will not carry an amateur band transponder. OMOTENASHI is…

Clubs in Newfoundland and England to Re-Enact Marconi’s 1901 Experiment
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Clubs in Newfoundland and England to Re-Enact Marconi’s 1901 Experiment

The Marconi Radio Club of Newfoundland (MRCN) and the Poldhu Amateur Radio Club in England will conduct a modern-day re-enactment of Marconi’s first transatlantic radio…

SDRangel – TX & RX Software Defined Radio

An overview of some of the features in SDRangel, an open-source TX & RX SDR (Software Defined Radio) application. Home Antenna Another Difficult Antenna Situation…

Introducing the ICOM SHF Project (Super High-Frequency Band Challenge)
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Introducing the ICOM SHF Project (Super High-Frequency Band Challenge)

Icom Incorporated (Headquarters: Hirano-ku, Osaka, President: Hiroshi Nakaoka) has been doing technical research on a new project to create a product from scratch by utilizing…

DIY  QRP Multiband Endfed ultra simple + lightweight 40/20/10 (30/17/12)
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DIY $4 QRP Multiband Endfed ultra simple + lightweight 40/20/10 (30/17/12)

“I have build a ultra simple multiband endfed antenna. It weight 58 Gram only.” Antenna The Take-off Angle Theory July 14, 2021 No comments “Kyle,…

Deep Dive Into The RigExpert AA-2000 ZOOM Antenna Analyzer, SWR/TDR/Cable Loss And MORE
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Deep Dive Into The RigExpert AA-2000 ZOOM Antenna Analyzer, SWR/TDR/Cable Loss And MORE

Here is the Rigexpert AA-2000 Zoom, their flagship antenna analyzer. This is SO MUCH MORE than checking SWR. This is a complete analysis in your…

Baluns VS Antennas : What’s best for What?
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Baluns VS Antennas : What’s best for What?

Wahhab, YI3WHR, is researching some Baluns and is having trouble deciphering what the baluns strengths and capabilities are in comparison to an antenna. So Dave…

Senator Blumenthal Supports Amateur Radio at Senate Confirmation Hearing
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Senator Blumenthal Supports Amateur Radio at Senate Confirmation Hearing

Senator Richard Blumenthal (CT) received an affirmative reply from FCC Chairwoman Jessica Rosenworcel when he asked her to commit to providing his office “an update…

Xiegu X6100 [ Video Demo ]
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Xiegu X6100 [ Video Demo ]

Xiegu X6100 Antenna Antenna experiment – Fractal Quad for 28 Mhz band March 07, 2015 No comments   “After reading many antenna articles in the…

Switching Rigs Instead of Antennas
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Switching Rigs Instead of Antennas

George, WG4J, has a alpha delta 4 position switch that he wants to use to switch between his radios instead of the antennas. He asks,…

Overview of the Chameleon MPAS 2.0 [ 6M – 160M ]
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Overview of the Chameleon MPAS 2.0 [ 6M – 160M ]

Use the Ideal NOALOX 4 oz. Anti-Oxidant Compound to improve the efficiency of aluminum conductor connections. This compound provides additional inner-strand and inner-conductor current paths. The Modular…

PDW – An SDR Decoder For ACARS & POCSAG Pagers
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PDW – An SDR Decoder For ACARS & POCSAG Pagers

PDW – An SDR Decoder For ACARS & POCSAG Pagers Antenna MFJ-856 Line Noise Meter w/ 3 Element Beam April 20, 2015 No comments  …

Ultimate HT Antenna Shootout
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Ultimate HT Antenna Shootout

HT Antenna The most common question I get? What antenna do you use or recommend for your hand held ham radio? Well today, I’m going…

(tr)uSDX Prototype: on-board measurement equipment demo
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(tr)uSDX Prototype: on-board measurement equipment demo

Short teaser of the on-board measurement equipment. This is by far not the final software, but it shows the hardware features we have, making life…

Every Ham Needs This App | HamAlert
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Every Ham Needs This App | HamAlert

Never miss a station you are trying to work again with the HamAlert App. This app is a companion to the HamAlert web site (hamalert.org)…

Expert Electronics MB1 Prime 2021 HF – Ham Radio Livestream
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Expert Electronics MB1 Prime 2021 HF – Ham Radio Livestream

Is the MB1 Prime 2021 an HF Ham Radio or a computer? Or both? On today’s lunchtime livestream, I will hook up this radio and…