“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
Stryker SR-94 HPC – “Coming Soon”
Stryker SR-94 HPC FULL Featured Radio! 45+ Watts PEP AM / FM 10 & 12 Meters PC Programmable CTCSS / Rep Offsets MIC / RF Gain Controls RF Power Hi... Read more
DV4mobile – first all mode digital tri band transceiver plus LTE with GPS
V4mobile – first all mode digital tri band transceiver plus LTE with GPS The DV4mobile supports all digital modes: no need for multiple r... Read more
ARD 300 MULTI-DIGITAL VOICE DECODER
ARD 300 Versatile and powerful digital voice decoder/demodulator for your trusted analog receiver! Decodes dPMR, NXDN and popular amateur digital vo... Read more
LP-500 Digital Station Monitor
General (exclusive features in red) * Bright, High Resolution 5″ Color TFT Display * 32-bit Main Processor * Graphics and Audio coprocess... Read more
Review
![Icom IC-7300 Morse Code and Display Overview [ Video ]](https://qrznow.com/wp-content/uploads/2015/08/ICOM_IC7300_RADIO-190x122.jpg)
Icom IC-7300 Morse Code and Display Overview [ Video ]
Icom revealed their first Software Defined Radio (SDR) HF transceiver, the IC-7300, on Saturday, August 22nd 2015, at the Tokyo Ham Fair... Read more
Ailunnce HD1 DMR – Review and how to build a DMR codeplug
“The Ailunce HD1. It’s a DMR Radio. It’s a Ham Radio. It’s both. This promises to be the next evolution in Dual Band DMR handh... Read more
Kenwood TS-2000 – ARRL Review
Kenwood TS-2000 The Kenwood TS-2000 is an all band HF/VHF/UHF transceiver with exceptional features and versatility. Wide band Main HF reception inclu... Read more
Field Testing The MFJ Octopus Antenna | Did It survive the wind?
“This time, I’m out in the field (way out in the Arizona desert) Field testing the MFJ Octopus antenna. So how does it hold up in 60 MPH w... Read more
Antenna
MONSTER YAGI FOR 20M
A 5 element wide spaced yagi for the 20m long path to Europe was installed at ZL6QH in May 2005. A photo of this “monster” antenna is show... Read more
3D Printing – A Ham Radio dipole center with BNC and 1:1 balun
Showing how easy and quick it is to design a custom center insulator for a dipole Here’s the 3D part if you want to print one for yourself.... Read more
6-80 Meter Antenna EzMilitary in a 16″ bag with Match & Mount
Alpha Ez-Military Antenna, a complete 1KW PEP system for Military, Emergency Services, or restricted use environments. The 1KW Ez-Military system is a... Read more
NVIS Antennas – DXE-NVIS-8040S – DX Engineering
NVIS Antennas Antenna, Short Dual Dipole, Portable, NVIS, 80 and 40 Meters Dual Band, Kit Wire Antenna Band 80 meters 40 meters DX Engineering 8040... Read more
App - Mobile
Pocket Radio Android App ( TX and RX )
This is an Android application used to remotely control several HAM radio – any CAT enabled transceiver over Bluetooth, USB/Serial or with secu... Read more
SmartSDR for iOS v2.1.0 Now Available
FlexRadio Systems announces the release of SmartSDR for iOS v2.1.0 is now available for download or update from the Apple App Store. This App requires... Read more
HAM QuickLog – IOS App
Mircules HAM QuickLog is great new HAM radio logging software for the iPad, for quick and easy HAM Logging. This handy app helps you to quickly... Read more
Morse code Ringtone Generator by M1RGZ
“This page converts text into a morse code ringtone playable on most mobile phones. If your phone can play ‘polyphonic’ or ‘po... Read more
News
Centenarian Radio Amateur’s Efforts Helped Pave the Way to the Moon
The Nashville Tennessean newspaper recently featured the story of a 104-year-old ARRL member who contributed to NASA’s effort to put the first humans... Read more
Award for Top Homebrew Designers in Amateur Radio Announced
The ICQ Podcast has announced a partnership to establish an annual “Homebrew Heroes Award” to recognize individuals, groups, or organizations that hel... Read more
Major WSJT-X Upgrade Boosts FT4 into “a Finished Protocol for HF Contesting”
The WSJT Development Group has announced the “general availability” release of WSJT-X version 2.1.0. This major upgrade formally introduces FT4 as a f... Read more
International Telecommunication Union Accepts EURAO as a Sector Member
The International Telecommunication Union (ITU) accepted the European Radio Amateurs’ Organization (EURAO) as a sector member at the recent meeting of... Read more
No Consensus Reached for FCC on “Symbol Rate” Issues
ARRL-initiated efforts for rival parties to reach consensus on some of the issues they raised in the so-called “Symbol Rate” proceeding have ended. In... Read more
![Antenna Polarization [ ARRL PODCAST ]](https://qrznow.com/wp-content/uploads/2019/07/AntennaPolarization-90x60.jpg)
![Antenna Polarization [ ARRL PODCAST ]](https://qrznow.com/wp-content/uploads/2019/07/AntennaPolarization-180x120.jpg)
