“Viewers queried me about what happens when you shorten a dipole by letting the ends hang down, or have to put up a dipole that can’t be in a straight line, and I was also curious about the effect of my aluminum masts on horizontal dipole performance. EZNEC+ to the rescue. The video shows that modified dipoles can work quite well. Subscribe: https://youtube.com/davidcasler“
Review
Chameleon MPAS 2 NVIS (Near Vertical Incidence Skywave) Antenna
“Part 2 of my look at the Chameleon MPAS 2.0 Modular Portable Antenna System. I set the antenna up in the horizontal NVIS (Near Vertical Inciden... Read more
Unboxing and Testing the Yaesu FT-891 : Ham Radio 2.0: Episode 67
Yaesu‘s newest HF mobile radio has some cool new features, but leaves out other options of its predecessors. Let’s take a look at the radi... Read more
VHF
VERO China New Arrival: 40 Watts Dual Band Mobile Radio VR-6900 With Band Scope and APRS Display
Firmware upgrade remote VR-6900 can update firmware remotely, fix some bugs when find it Optional APRS VR-6900 support the optional APRS... Read more
Yaesu announced two new radios are coming to the market! – Yaesu FTM-3207DR and FT-2980R
Yaesu FTM-3207DR and FT-2980R will be available late summer / early fall! Yaesu FT-2980R 80W FM 2M Mobile Transceiver As its model name suggests, the... Read more
How To Do a VHF SOTA Activation by K0NR
The Summits On The Air (SOTA) program has really taken off in North America. SOTA originated in the UK in 2002, so it took a little while for i... Read more
Equipment
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
SunSDR2 PRO
The brand new SunSDR2 PRO transceiver is a modern SDR transceiver developed with contesting and DXing in mind. It covers all HF bands plus 50 M... Read more
Radio Incident Command Kit by N1RFD
What is my definition of a Communications Go-Kit? A Communications Go-Kit (or Radio-Ready-Kit) is made up of a portable “Amateur radio” st... Read more
Antenna
New! Vertical Loop Yagi ( 6 to 40m ) – Ultra Beam
Vertical Loop Yagi See More : Link Read more
A High Efficiency Extended Length Mobile Antenna
By W5JGV I originally wanted an antenna that would not hit everything overhead while driving, since it was to be installed on a van. I came up with an... Read more
Coil-loaded 40/80 Meter Inverted V Dipole Antenna by KG0ZZ
This 40 and 80 meter inverted V antenna is made with loading coils. It is a full size antenna on 40 meters and a shortened 80 meter antenna. The anten... Read more
Digital Modes
New Summer EURAO Party to Premier FT4
The motto of the new European Radio Amateurs’ Organization (EURAO https://www.eurao.org/) Summer Party https://www.eurao.org/en/node/1045 is... Read more
World Wide Digi DX Contest
The World Wide Radio Operators Foundation (“WWROF”), in collaboration with the Slovenia Contest Club (“SCC”), is pleased to announce the first annual... Read more
Recent Posts
New French CEPT paper still seeks 144-146 MHz for Aeronautical
The French administration has renewed its attack on the Amateur Radio 144-146 MHz band ahead of a key CEPT ECC CPG meetingin Ankara, August 26-30. In... Read more
The K7RA Solar Update
Spotless days continue this week, with consecutive days without sunspots now at 16 days, according to spaceweather.com as of August 22. Average daily... Read more
Efforts Continue to Enhance ARES Program, Add Resources
The ARRL Board of Directors, committees, and Headquarters administrative staff are continuing efforts to enhance the venerable Amateur Radio Emergency... Read more
FCC issues $39,000 + Forfeiture Order against man from North Carolina
The WIA report the FCC has issued a $39,000 + Forfeiture Order against a man from North Carolina, for intentional misuse of a local public safety radi... Read more
