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

Baofeng UV-9R Model Comparison and Power Testing
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Baofeng UV-9R Model Comparison and Power Testing

Today I compare and test 3 different models of the Baofeng UV9R. Antenna Coil-loaded 40/80 Meter Inverted V Dipole Antenna by KG0ZZ September 11, 2015…

Introducing the BP-307 High Capacity Li-Ion battery pack
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Introducing the BP-307 High Capacity Li-Ion battery pack

Short overview of the BP-307, a new high capacity 7.2V / 3350mAh (typ.) Li-Ion battery pack designed for Icom’s latest range of IP, LTE radio…

Metal Ham Shack – Issues and Improvements
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Metal Ham Shack – Issues and Improvements

Art, W9SOL, wants to know if his steel building will cause issues with his radio’s performance or improve its performance? Antenna KT36XA – M2 Antenna…

55th ALESSANDRO VOLTA RTTY DX CONTEST
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55th ALESSANDRO VOLTA RTTY DX CONTEST

The SSB and RTTY Club of COMO and the A.R.I. (Associazione Radioamatori Italiani) arepleased to announce the details of the 55th “Alessandro VOLTA RTTY DX…

Chameleon CHA-RXL Stealth Receive Loop Antenna
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Chameleon CHA-RXL Stealth Receive Loop Antenna

Chameleon is releasing a new receive only loop, the CHA-RXL. Lets get it on the roof, test it out and talk about why receive loops…

Grounding and Bonding, Band Pass Filter and Field Day
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Grounding and Bonding, Band Pass Filter and Field Day

On todays episode of Tuesdays with Tim, K3LR and Jeff, KB8ZWT we will discuss bonding and grounding and Band Pass Filters for Field Day! Antenna…

MagicSDR –  A NEW ANDROID AND IOS RTL_TCP CLIENT
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MagicSDR – A NEW ANDROID AND IOS RTL_TCP CLIENT

MagicSDR makes it possible to interactively explore RF spectrum using panadapter and waterfall visualization, demodulate and play AM, SSB, CW, NFM, WFM signals, collect frequencies….

Members of the Potomac Valley Radio Club to Activate NSS for Armed Forces Day
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Members of the Potomac Valley Radio Club to Activate NSS for Armed Forces Day

Members of the Potomac Valley Radio Club (PVRC) will activate the historic NSS call sign on Saturday, May 8, during the 2021 Armed Forces Day Cross-Band…

Review of Bilal Isotron 20m Single Band Antenna
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Review of Bilal Isotron 20m Single Band Antenna

More than one Oggie has suggested I review the Bilal Isotron 20m Single Band Antenna Solve Virtually Any Restricted Space Problem – 40 Meter Isotron only 22…

Goodbye Trio of Sunspots Hello Fast Solar Wind | Solar Storm Forecast 05.02.2021
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Goodbye Trio of Sunspots Hello Fast Solar Wind | Solar Storm Forecast 05.02.2021

Goodbye Trio of Sunspots Hello Fast Solar Wind | Solar Storm Forecast 05.02.2021 Antenna How to make a 4:1 balun cheap and easy January 14,…

Bouvet Island Dxpedition – 3Y0J
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Bouvet Island Dxpedition – 3Y0J

Bouvet Island DxpeditionBouvet is like the Mount Everest of DXCC entities. It is among the most challenging entities to activate due to significant transportation costs…

Unboxing the lab599 Discovery TX-500 QRP transceiver!
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Unboxing the lab599 Discovery TX-500 QRP transceiver!

Unboxing the lab599 Discovery TX-500 QRP transceiver! Antenna Home Brew Lightning Disconnector [ Video ] November 19, 2016 No comments Read more G3TXQ 6 Band…

North American QSO Parties to Recognize Young Contester Entries
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North American QSO Parties to Recognize Young Contester Entries

To encourage young radiosport participants, National Contest Journal (NCJ) will recognize their entries in the North American QSO Party (NAQP), starting with the August 2021 NAQP CW…

RF Explorer EMF Licence Demo
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RF Explorer EMF Licence Demo

This week Gary gives us an overview of the new RF Explorer Field Strength EMF Licence Add-On. We also demonstrate the RF Explorer WSUB1G+ Spectrum…

MAGNETIC LOOP 40M – 10M Built by 2E0ERO
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MAGNETIC LOOP 40M – 10M Built by 2E0ERO

Here we take a look at the principles of a transmitting magnetic loop and then test a magnetic loop built by 2E0ERO. Antenna New !…

Recent activity on the 23cm band RNSS Coexistence Studies
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Recent activity on the 23cm band RNSS Coexistence Studies

The Chair of IARU Region 1 Spectrum Affairs, Barry Lewis G4SJH, reports on the work being done in defending the interests of the Amateur Services in…

ARRL Awards Colvin Grant to 3Y0J Bouvet Island DXpedition in 2023
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ARRL Awards Colvin Grant to 3Y0J Bouvet Island DXpedition in 2023

ARRL has awarded a Colvin Grant of $5,000 to the Intrepid-DX Group to help in funding its 3Y0J DXpedition to Bouvet Island, scheduled for January to February…

How to Hang Ladder Line
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How to Hang Ladder Line

Tim , KJ4ZJ, wants to know if Ladder Line can be hung at an angle without affecting performance. Antenna CrankIR from SteppIR – Portable Ham…

Amateur Radio Credited with Rescue of Back-Country Hiker in Tennessee
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Amateur Radio Credited with Rescue of Back-Country Hiker in Tennessee

A back-country hiker was rescued from Great Smoky Mountains National Park with assistance from amateur radio after she became exhausted on the trail and possibly…

Noise Reduction Speakers
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Noise Reduction Speakers

Oggie John Reardon, KD0RON, asks about noise reduction speakers. Antenna UHF VHF Antenna 08-ANT-0861 December 27, 2019 No comments UHF VHF antenna 08-ANT-0861 has a…

Icom AH-705 in the Park with Ray – N9JA, Tommy – N5ZNO, and George – W5JDX.
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Icom AH-705 in the Park with Ray – N9JA, Tommy – N5ZNO, and George – W5JDX.

A closer look at the Icom AH-705. A QRP antenna tuner for the IC-705 Trasnceiver. Tunable 50Ω antenna and long wire antenna designed for field…

New FCC RF safety rules for ham radio – May 2021
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New FCC RF safety rules for ham radio – May 2021

New FCC RF safety rules for ham radio #hamradio​ – May 2021 Antenna 5 element TRI-BANDER – HB35c – Tet Emtron August 03, 2016 No…

An Old Radio Beacon Compound On The Moors
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An Old Radio Beacon Compound On The Moors

An Old Radio Beacon Compound On The Moors Antenna Antenna beam 2 elements 80m (Monobander) June 16, 2020 No comments Frequency: (3,500 MHz – 3,830…

FCC Auto-Registration Feature for Exam Applicants to be Discontinued
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FCC Auto-Registration Feature for Exam Applicants to be Discontinued

Auto-registration in the FCC Commission Registration System (CORES) amateur radio exam candidates using a Social Security number will be discontinued on May 20, 2021. Applicants must…

Virtual CubeSat Developers Workshop is April 27 – 29
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Virtual CubeSat Developers Workshop is April 27 – 29

The theme for the 2021 virtual CubeSat Developers Workshop on April 27 – 29 is “Working Together.” It will feature a mix of pre-recorded and live events….