Categoria: QRZNow

This is the best all round wideband desktop scanner antenna on the current market. Keeping within the famous discone design but smaller for internal use has proved wonders for indoor reception Type: Discone style desktop receiving antenna Frequency: 25-2000MHz Base: Heavy duty 125mm magnetic plate... Read more

The V2000A is the U.S. version of the V2000 Tri-Band Antenna. This antenna has been optimized for the U.S. FM Bands. The V2000A utilizes a linear phase shift design to couple the different frequency band sections together. A watertight joint assembly connects the two antenna... Read more

“In this Video I show how to make an antenna stake that will be fast and strong for portable Ham Radio work. The stake has two places to mount antennas like a 17′ whip, ham sticks, hustler ham sticks, Wolf River Coil or even a... Read more

xCluster is a visual display of dx cluster activity. DX spots are received via telnet or web services and displayed in a tabular form and plotted on a map of the world. You can filter the spots by call sign or band. You may also... Read more

50KHz-2GHZ V4 Malachite SDR DSP SDR Radio Receiver AM/SSB/NFM/WFM Shortwave Radio with Speaker Expansion Module “Here we take a look at another iteration of the Malachite SDR DSP receiver, advertised as a V4 in a nice aluminium housing with Stereo speakers. In all honesty it... Read more

Lextel MS-2000 is an RF Transmitter Station Monitor which analyzes auxiliary devices and antenna characteristics as well as the source that powers the radio station’s equipment. Measures Peak Power, Average Power, R.O.E., AM Modulation, Analyze and monitor the power supply, Oscilloscope with Peak and Average... Read more

==== New Category Multi 2TX (2021-03) We will have the "MULTI-OPERATOR 2-TX" category in 2021. (CQ-WW Two-TX QSY rule will be applied) The exact rules were published in Feb. 2021. ==== Web Log Submission (2020-04) (Thanks to JH3LFL for the Code) You can Upload your... Read more

Photo: PY5EG In 2005, W9KNI and CQ Magazine asked me if I was interested in managing a new contest for CQ Magazine – the CQ DX Marathon. This new contest/DX program sounded very interesting, and I thought it would be a great program to keep old... Read more

Demonstration of ARCO feature to control another rotator physically connected to different ARCO controller. ARCO is a completely self-contained stand alone rotator controller not requiring computer or any external device or power supply for setup and operation, while providing a wide selection of interfaces for remote control when necessary. It... Read more

The FCC application fee for amateur radio licenses takes effect on Tuesday April 19, 2022 Antenna The Take-off Angle Theory July 14, 2021 No comments “Kyle, W0AAV, is wondering if there is an optimal angle to put his vertical antenna or is the Take off... Read more

This is another question from Charles. What is an Octopus Antenna? Antenna Yaesu Antenna Rotators G 450A April 28, 2015 No comments G-450A Specifications   Power Supply Voltage: 117 VAC, 50-60 Hz Power Supply Current Consumption: 0.5 Amps Rotor Voltage: 24 VAC Cable Conductors… Read... Read more

Get radio active! In this video, you’re guided STEP-BY-STEP by ARRL member Rob Zielfelder, Jr., N1NUG, to build an End-Fed Half-Wave Antenna Kit! The easy-to-build kit is great for new hams (and ALL hams) seeking a simple and effective antenna to get active in the... Read more

The new GP-7 SSB radio is made based on a continued request for an excellent quality general purpose information radio. These radios are re-modified for a specific client request with the help of Edison Fong PHD. We have a few left over to offer to our consumer... Read more

Russian cosmonauts on the International Space Station (ISS) are planning to transmit Slow Scan TV (SSTV) images on 145.800 MHz FM probably using the SSTV mode PD-120. The transmissions are part of the Moscow Aviation Institute SSTV experiment (MAI-75) and will be made from the... Read more

“You decide. Not scientific, but just a video showing the similarities in these 2 rigs on weaker signals on 15M CW as the band was going out. Both are 300hz wide filtering. Both with preamps on and off. AGC is set to fast on both... Read more