Categoria: QRZNow

Solar Bright Regions Bloom & Dust Storms Build on Mars Antenna 3/3 (6) element 50/70MHz Yagi (1.2m) July 26, 2019 No comments An Excellent Dual Band Yagi for 50/70MHz with 1.2m boom Model: DB-664 A dualband balun is recommended for this antenna, details can be... Read more

Watch John Brier KG4AKV work new linear satellite HO-113 / XW-3 and talk about some of its issues so you can learn how to work it successfully despite those issues On December 25th, while most of the space community was excitedly discussing the James Webb Space Telescope... Read more

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 a 6 Unit sized CubeSat set for launch via a NASA SLS rocket as early as February 2022. It will... Read more

Over the Christmas and New Year Holiday, Icom released updates that will provide improvements to the IC-705/ID-52E USB driver and RS-BA1 Version 2 and RS-8600 control software. To find out more about these updates, please click on the following links: – IC-705/ID-52A/ID-52E USB Driver (Version 1.12)... Read more

“This is a list of what I consider to be the best mobile ham radios for your vehicle as we roll into 2022. All of these ham radios are currently in production and used for the VHF/UHF bands in ham radio.” Antenna Hunting Noise with... Read more

The FX-4C is a new SDR transceiver developed by BG2FX.  It covers all of the major HF bands, and includes wide-band receive capabilities.  Its small size (1 lb) and built-in speaker and microphone allow ultra-portable operation.  A simple built-in USB sound card interface enables simple... Read more

The RemoteTx® ham radio remote control system is an economical way to control your amateur radio station through the Internet with a phone, tablet, Mac or PC. There are 3 main parts to the solution. AT STATION: A Raspberry Pi 3B / 3B+ / 4B (RPi) appliance running RemoteTx... Read more

Photo: LO5D ( LU9ESD Manu ) Contest Objective: Amateurs worldwide contact and exchange QSO information with other amateurs using digital modes (Baudot RTTY, PSK, FT8/FT4, ASCII, AMTOR, and Packet—attended operation only) on 80, 40, 20, 15, and 10 meter bands. Any station may work any other... Read more

Amazing 90m loop with 4:1 balun. How does it compare to the smaller Loop On Ground? Antenna Improved EU1KY Antenna Analyzer CEC V0.3 May 24, 2019 No comments In this video, not include have a voice, but I placed subtitles on important parts. Please turn... Read more

Ermak SDR Transceiver Read more

I thought I’d share this little experiment, I found it quite interesting. Antenna Antennas Vs Trees May 04, 2021 No comments Jeff, KD8KPT, asks about the logistics of putting antennas up in his trees. Read more Status QUAD: 2/4/5 StQ 7- 2 elements 40/30 –... Read more

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 is a video for you. Antenna The 10/15/20 Meter Trap Vertical Antenna January 01, 2015 No comments   “This antenna... Read more

“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 small dipole’s resonant frequency which is not the same frequency as the lowest SWR. The resonant frequency of an antenna... Read more

“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 the installation video along with some basic testing. 80m seems a bit deaf but we need to test this out... Read more

 Informal Solar Storm Forecast 12.23.2021 Antenna CX-AUTO Switch – Kessler Engineering, LLC December 29, 2017 No comments he CX-AUTO was designed to satisfy the many requests from AT-AUTO owners for additional coaxial outputs. It does that quite well and more! The CX-AUTO… Read more Beam... Read more