“How high should a dipole be? What happens if it’s too low or too high? We turn to EZNEC antenna modeling software to see that the old rule of thumb of one half wavelength is correct. But there are lots of things going on!”
Equipment
A-iPower Portable Generators SUA8250E
Portable Generators Get power where you need it using one of these A-iPower portable generators. They are driven by a compact, high performance, air-c... Read more
HF Amplifier Ameritron ALS-1306
Ameritron HF+6 1200W Solid State Amplifier 1.5-54 MHz . . . 1200 Watts PEP Output, Instant Automatic band switching, no tuning, no warm-up, SWR protec... Read more
MRF101AN: 100 W CW over 1.8-250 MHz, 50 V Wideband RF Power LDMOS Transistor
These devices, MRF101AN and MRF101BN, are designed for use in HF and VHF communications, industrial, scientific and medical (ISM) and broadcast and ae... Read more
Review
SOTA hike Testing the Xiegu X5105
Xiegu X5105 “I’d climb a mountain for you guys and this time I literally did. We decided to try our hand at Summits On The Air or SOTA. It... Read more
![Keys and Keyers – ARRL The Doctor is In [PodCast]](https://qrznow.com/wp-content/uploads/2017/08/26490-l-190x122.jpg)
Further Testing of MFJ Octopus at Quartzfest (#183 Project)
Mix and match any four HF/VHF/UHF bands. Example: screw in 80,40,20 meter hamsticks and a dual band 2M/440 MHz whip (two on each band) on opposite sid... Read more
Antenna
OptiBeam OB17-4 17 Element 4 Band
4 big monobanders on 1 boom, no traps !!! 3el on 40m / 4el on 20m / 4el wide spaced on 15m / 6el on 10m OptiBeam OB17-4 17 Element, 4... Read more
HFV16: Dipole Antenna – Diamond Antenna
Diamond Antenna – HFV16: Dipole Antenna Length: Approx. 4.6m / Weight: Approx. 2.2kg Frequency: 18 MHz (16m) Max.power rating: 200W (SSB), 70W... Read more
Steel Slinky Dipole Antenna 10 to 80 meters band
Steel Slinky Dipole Read full Article: Read more
HF Portable Vertical Antenna MP1R SuperWhip
The MP1R is an MP1B with an SW1 SuperWhip Ruggedized Antenna Whip on the top of it. New! Free! Every MP1R Super Antenna now comes with a free FG1 Freq... Read more
App - Mobile
FlexRadio Systems Announces Partnership With DL8MRE – APP for Iphone
FlexRadio Systems and Marcus Roskosch, DL8MRE announced today a partnership to develop, market and sell a client interface application for both iPad®... Read more
New! RemoteHamRadio App
Hold a mega-station in the palm of your hand. Wherever you are, you can work DX and log it. Operate from our 18 unique stations to snag a new country,... Read more
EchoLink for iOS version 2.10.18 is now available
EchoLink for iOS version 2.10.18 is now available in the App Store. This is a 64-bit build that is fully compatible with iOS 10 and modern iOS devices... Read more
NKCCluster 2.1 to be released very soon
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
News
Radio Contesting Journey – HF, VHF, Roving
by Jim Wilson My contesting began as so many of my journeys begin – a simple entry with a great deal of discovery and learning along the way. Then, as... Read more
JAPAN News – 160/80m band changes
Yoshi, JG7AMD, reports that there are changes coming on 160/80m for JA operators. He states, “On March 11th, the Ministry of Internal Affairs an... Read more
Preppers and Ham Radio Operators Not so Crazy in the Age of the Coronavirus
By Ham Radio Prepper –As the world is swept up into 24/7 coronavirus hysteria, people who once mocked preppers and ham radio operators are sta... Read more
Brazil holds 430 and 1240 MHz consultation
A public consultation is being held in Brazil concerning both the 430 MHz and 1240 MHz Amateur Radio bands. On March 23, the National Telecommunicatio... Read more
Amateur Radio Association of Nebraska 3D print face shields for healthcare workers
HASTINGS, Neb. (KSNB) – With a national shortage of personal protective equipment for healthcare workers, people are doing what they can to fulf... Read more
