Why is Coax 50 Ohms?
Antenna
Active Antenna Amplifier (model AAA-1C)
Active Antenna Amplifier The Kit The amplifier kit consists of the following parts: Amplifier board (mounted and tested) Control board (mounted and te... Read more
The Navassa-5 is a five band – JK Antennas
The JK Antennas Navassa-5 is a five band / Multiband Yagi that interlaces 10, 12, 15, 17 & 20 meters on a single boom. This antenna is based on a... Read more
Small Garden Vertical HF Antenna Installation
Vertical HF Antenna Installation Read more
Wimo X-Quad Antenna for 144 MHz 18010
The X-Quad antenna is a refinement of the well-known multi-element quads. Its special features, especially developed for amateur radio, are Switchable... Read more
New Antenna Physics Book from ARRL!
Written to bridge the gap between basic theory and graduate-level engineering texts, the second edition of Antenna Physics: An Introduction includes n... Read more
Review
Ham Radio Amplifier DIY599 PA500 OH8STN
“Hello Operators. In this episode of OH8STN Ham Radio, we are having a looking at the portable ham radio amplifier from DIY599.com the PA500. Th... Read more
How to use the Icom IC-705 with the Xiegu XPA125B Amp
“This was part of the ARRL International DX Contest for SSB at our hunting lease, operating as KN5TR. We used the Icom IC-705 pushing a Xiegu X1... Read more
Ham College 43 – General Amateur Radio Exam part 14. Emergency Communications, Skywave propagation, and Yagi antennas.
Ham College episode 43 is now available General Amateur Radio Exam part 14. Emergency Communications, Skywaves, Yagi Antennas Read more
YAESU FT-991A Colour Screen and Waterfall Demonstration
“We demonstrate the two major new features of the latest version of Yaesu’s “991” series, the FT-991A. Watch the colour screen... Read more
ANNOUNCEMENT – FTM-400XD/FTM-400D/FTM-100D PDN
Announcement about the new firmware release for the FTM-400XD, FTM-400D, FTM-100D mobiles radio and PDN functionality. Read more
Equipment
DZKit Sienna HF Receiver/Transceiver Kit
True kit – soldering required (about 40 hours to build boards, assemble, cal and test) Modular (start small, add modules as your budget allows)... Read more
Morse Express Christmas Key by N1FN
“In Celebration of the Season… Morse Express presents the 2014 Christmas Key Fourteenth in the popular annual series, our 2014 Christmas... Read more
AOR AR8200 -MK3 ( 500KHz to 3GHz )
Prepare to be astounded at the versatility and broad range of features found in the AOR AR8200 Mark III. Unparalleled frequency coverage, superb sensi... Read more
HF Linear 2KW HF2015DX – Chinese by BG5EFD
RF Linear amplifier coverd 1.8-30MHz WARC amateur bands , using Chinese FU728F ceramic tetrodes working at Class AB1 driving power:5-50W output:20... Read more
The ZN-HKR is new for 2015 by N3ZN
The ZN-HKR is new for 2015. It is an all brass straight key built on a 4″ diameter brass base. It features 4 ball bearing and silver con... Read more
News
iPortable Rack Systems | Ham Radio Rack Mounts
Take your Ham Radio Portable with iPortable. A look at these really cool rack mount units for HF/VHF/UHF Ham Radio. Portable Pro2 Equipment Rack Syste... Read more
The history of communicating with submarines underwater
“Nestled deep in the Chequamegon-Nicolet National Forest in Northwest Wisconsin is the small town of Clam Lake. Clam Lake is best known for the... Read more
K4BEN, announces the official beta of his Remote Radio Service
K4BEN, announces the official beta of his Remote Radio Service, DXRemote.net. It is a very simple concept: his enterprise-class, redundant n... Read more
New at ICOM Hamvention 2022!
ICOM Hamvention 2022! Take your contesting experience to the next level with the latest LDMOS power device with features supporting a SO2R operation i... Read more
AMSAT-UK announce the 2022 International Space Colloquium
AMSAT-UK is very happy to announce the 2022 AMSAT-UK International Space Colloquium will be held as part of the RSGB Convention on October 8-9 at the... Read more
