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

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Kids Day is January 1, 2022

Saturday, January 1, 2022, is Kids Day. The event gets under way at 1800 UTC and concludes at 2359 UTC. Sponsored by the Boring (Oregon) Amateur…

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Visualizing the effect of a low pass filter on harmonics

I thought I’d share this little experiment, I found it quite interesting. Antenna DX Commander Part 2 – HF Vertical November 22, 2021 No comments…

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Measuring Balun Ratios

I have been asked how to measure the ratios of a Balun or an Unun. So if you’re someone who has that same question this…

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Resonant Frequency of Antennas

“The feedline to an antenna will perform better if the antenna has the same impedance. Jim Heath W6LG uses the RigExpert AA-2000 to measure a…

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RX Antenna – I Installed a Loop On Ground (LOG) for Ham Radio

“I have never tried a Loop RX antenna actually on the Ground! So today I tried it out for my Ham Radio station. This is…

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Straight Key Night is January 1, 2022 (UTC)

The annual ARRL Straight Key Night (SKN) returns on New Year’s Eve and New Year’s Day, January 1, 0000 – 2359 UTC. Many hams look…

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UBA 75 On The Air Event

On the occasion of the 75th anniversary of our UBA, more than 60 stations with the special ON75 prefix will be on the air during…

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ICOM ID-52 First Look With Ray Novak

The ICOM ID-52a is out just in time for Christmas. Lets take a look at its many features. Antenna Chameleon Emcomm IIIP Antenna – Antenna,…

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A Pair of Christmas Storms Heads for Earth

 Informal Solar Storm Forecast 12.23.2021 Antenna MONSTER YAGI FOR 20M December 03, 2015 No comments   A 5 element wide spaced yagi for the 20m…

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ICOM ID-52 Overview

ICOM ID-52 Icom has announced details of the ID-52E D-STAR Digital Handheld Transceiver. The ID-52E VHF/UHF dual-band digital transceiver is the latest in a long…

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GA-450 Portable Active Small Loop HF Antenna

Loop HF Antenna Here we take a look at the GA450 Active Loop HF Antenna. Overall impression, better than expected! Features:1. The antenna is an…

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InnovAntennas DXR3-MKII 6 Element Tri-Band Yagi 20/15/10m

 DXR3 produced are the MKII version, a 20, 15 and 10 meter HF Yagi with 6 interlaced elements on a short 10.2 ft. (3.1m) boom….

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Starting with a Straight Key

“James, has quite a long complicated question but summarize he wants to know if he can start learning morse code with a dual paddle keyer?…

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ISS SSTV Transmission Set for Late December

The Amateur Radio on the International Space Station (ARISS) team will support Slow Scan TV (SSTV) transmissions from the International Space Station (ISS), December 26…

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Big Flare Players Popping & An Earth-Directed Launch

“Our Sun is popping some big flare potential this week, with no less than seven numbered regions on the Earth-facing disk (up that to nine,…

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Tuning the Buddistick Pro Antenna

Designed as a multi-band, portable antenna for 40m – 6m, the Buddistick PRO is an excellent performer with any transceiver up to 250 watts.  The…

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Do antenna tuners help with shortwave listening?

 Do antenna tuners help with shortwave listening? Antenna Building the BuddiHex Hexbeam | Best Portable Ham Radio Antenna September 28, 2021 No comments Today I…

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GRA-ULT01 Lightweight Portable Antenna Mast Mount Tripod Tower UHF SO239 Connector

GRA-ULT01 is a telescopic portable tripod for UHF connector portable antennas. Made by Gabil Radio in Taiwan. Designed as part of a portable, backpack, base,…

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Ham radio satellite XW-3 (CAS-9) to launch December 25

The CAMSAT XW-3 (CAS-9) satellite carrying a 145/435 amateur radio linear transponder has been installed on the CZ-4C Y39 launch vehicle at the Taiyuan Satellite Launch Center,…

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WRTC 2022 Award

First time ever dedicated Award to the promotion of the organization of the WRTC 2022 – “World Radio Team Championship”. Beginning 1st January to 10th…

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5-Band Frame Anetnna – How to Made

“The Frame antenna is not a new idea. It was used during the world wars. Due to its dimensions it can be used in restricted…

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Cheap Coax Switch Teardown and Comparison

“I have 4 “cheap” coax switches. How do they work? I need to switch between 4 radios and this might just do it! Callum.” Antenna…

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Retevis RB86 20W Waterproof GMRS Mobile Radio

Waterproof high power GMRS mobile radio RB86, the perfect communication solution for Jeeps,UTVs, off-road and other vehicles. With the nice housing, stability and reliable functions,…

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ISS SSTV – 12/26

The ARISS team will be supporting Slow Scan TV (SSTV) operations from the International Space Station during the period of Dec 26-31 The images will…

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World Radio TV Handbook to Cease Publication

The EI7GL blog reports that publication of the World Radio TV Handbook (WRTH) will cease with the current 76th edition. For many years, the WRTH provided information about shortwave broadcast times…