In this video I show the ground radial wire I use, and talk about laying a radial field under my Hustler 4BTV vertical ham radio antenna
432 MHz EME with a small antenna by Andreas Haefner, DJ3JJ A lot of people would like to do EME but think they need a big antenna for this.... Read more
A 50 – 54 MHz ( 6 meter ) HF preamplifier with innovative design. Input notch filter for FM frequency 88- 108 MHz. Noise figure of 0,5db. Perfec... Read more
Icom UK are pleased to provide this introduction to its RMS-Net Radio Management System which integrates desktop PCs, Icom hand portables, base statio... Read more
The first — and so far only — beacon on 60 MHz went on the air on December 16. The call sign is EI1KNH. In early 2018, the 60 MHz (5-meter) band was a... Read more
by David Spero Some things in life you can never have too much of. But for this article, we’ll concentrate just on radio range/efficiency! There are... Read more
VHF
432 MHz EME with a small antenna
50MHZ PREAMPLIFIER WITH FM NOTCH FILTER
Icom’s RMS-Net Radio Management System Explained
New 60 MHz Beacon Now on the Air from Ireland
The Ten Cent Modification You Can Do to Double Your Radio’s Range
Tired of noise? Noise that isn’t the signal you want to copy? White noise, line noise, hiss? And off frequency stuff you don’t want... Read more
The Tadiran SDR-7200HH is specifically designed for dismounted soldiers, providing them with voice and data communications together with command and c... Read more
Little Boy — AN LDMOS HF Amplifier by W6KANI recently watched the movie Fat Man and Little Boy, a 1989 great movie about the Manhattan project a... Read more
Yaesu FT-DX101D/MP The new FTDX101D is utilizing the latest SDR Technology and classified as our High-End HF line, the FTDX series, which amateurs hav... Read more
The Lab599 Discovery covers 160-6 meters, all modes, with a maximum power output of 10 W. It comes with true desktop-radio features, like auto-notch,... Read more
Equipment
Logikit SCAF-1 – the Deceptively Simple Filter
Tadiran SDR-7200HH
Little Boy — An LDMOS HF Amplifier
![Yaesu FT-DX101D/MP [ English Brochure ]](https://qrznow.com/wp-content/uploads/2018/11/FT-DX101mp_u-190x122.jpg)
Yaesu FT-DX101D/MP [ English Brochure ]
Ultra-compact transceiver Lab599 Discovery TX-500
A new NKCCluster release is just around the corner: release 2.1 is currently undergoing beta-testing and, provided no last minute surprises i.e. major... Read more
This application allows Amateur Radio Operators to browse and search their Logbook of the World (LOTW) QSL confirmations on their handheld de... Read more
A tool to help ham radio, CB, and other radio users to create antennas of various types. Calculations available for dipole, vertical (1/8, 1/4, 3/8, 1... Read more
Download NASA Sounds Here’s a collection of NASA sounds from historic spaceflights and current missions. You can hear the roar of a space shuttl... Read more
Check this new app on Google Play Software Defined Radio. Supports the following hardware: HPSDR Atlas based systems using Metis. HPSDR Hermes... Read more
The ARRL Repeater Directory ® — introduced this week for 2015-2016 — has a newly launched companion app for Apple® iOS® devices. iPhone®, iPad®... Read more
App - Mobile
NKCCluster 2.1 to be released very soon
N1KDO’s LoTW Look – Android
Antenna Tool App – Android
Amateur Radio Ringtone from NASA
OpenHPSDR Radio – Android App
New iOS App Available for The ARRL Repeater Directory ®
Many stations are reported to have made Earth-moon-Earth (EME) SSTV transmissions on last year’s 50th anniversary celebration of the moon landing. “We... Read more
RADIOAFITED LIMA, PERU IN 40 METERS THEY HELPED CHILENAN AMBULANCE PLANE Heading to Easter Island LOST COMMUNICATION WITH THE CONTROL TOWER Last Thurs... Read more
AMSAT Vice President of Engineering Jerry Buxton, N0JY, said that while it was disappointing that the amateur transponder on HuskySat-1 (HO-107) was n... Read more
The Reverse Beacon Network (RBN) will gain 15 new nodes, thanks to the Yasme Foundation. These new nodes will be added in regions where there is a nee... Read more
” There are a few famous hams in our ranks and this week I had the pleasure of speaking with Dr. Ulrich Rohde, one of the founders of Rohde... Read more
Germany’s amateur satellite organization AMSAT-DL has submitted a comprehensive proposal to the European Space Agency (ESA) for its Lunar Amateur Radi... Read more
News
EME SSTV Party Could Become an Annual Event
Amateur radio operator assists to guide a Pilot when he lost communication
AMSAT Says Husky-1 CubeSat Project Helped Pave the Way for Future Missions
Yasme Foundation Supporting Grant will Expand Reverse Beacon Network
Great Technical References from N1UL, Dr. Ulrich Rohde
AMSAT-DL Submits Lunar Lander Proposal to European Space Agency
Amateur Radio on the International Space Station (ARISS) will support slow-scan television (SSTV) transmissions worldwide in memory of cosmonauts Alex... Read more
DX Engineering AA-230ZOOM Antenna Analyzer/NANUK Case Combos are the ideal antenna analyzer and protective carrying-case set for professionals or Radi... Read more
SDRplay RSP2 Over on YouTube user Mile Kokotov has uploaded two new videos that show both the SDRplay RSP1 and RSP2 receiving VLF, LF and AM BC signal... Read more
Juan de Nova Island NCDXF announces major grant to FT4/J Juan de Nova Island DXpedition June 12, 2015 The Northern California DX Foundation is please... Read more
Join Dave and Trevor discussing Ask Dave questions related to power supplies and other issues Read more
“Hi Folks, Thanks for staying patient with me on this one. Build servers were being weird today! Happy to bring you release with simple features... Read more
by Suman Chakrabort KOLKATA: Ham radio operators will be working in mobile shadow zones as earmarked by the election commission where mobile phone net... Read more
The ARRL 2017 Annual Report, which highlights the organization’s efforts and activities throughout 2017, is now available. Starting with the cover pho... Read more
Yaesu FT 991 Versus Icom IC-910 in 144MHz “We compare the FT-991 receiver performance on 2m with two other radios. Justin, G0KSC, from Waters... Read more
Recent Posts
Commemorative ARISS Slow-Scan TV Transmissions Set
AA-230ZOOM Antenna Analyzer/NANUK Case Combos DXE-230ZOOM-905L
Comparing the RSP1 and RSP2 – SDRplay
NCDXF announces major grant to FT4/J Juan de Nova Island DXpedition
Dave answers questions about power supplies (#146)
JS8Call 0.9 Release notes
Ham radio communication in shadow zone polling booths
ARRL 2017 Annual Report Focuses on Hurricane Response
Yaesu FT 991 Versus Icom IC-910 in 144MHz
