Antenna
The Random Wire Double Zepp Antenna
Dipoles fed with an open wire line are called “Double-Zepp” or “Doublet”. The dipole (2 x Xm) may have any length, the open wi... Read more
OB9-2WARC 9 Element Duoband Yagi
OB9-2WARC (new optimized version) 9 Element Duoband Yagi 17-12m Bands 17 / 12 Gain (dbd)* 7,6 / 8,4 Gain (dbi)** 15,1 / 16,1 F/B... Read more
How-To: Splice Wire to NASA Standards
Developed during the heyday of the telegraph, the Lineman’s splice is designed for connections that will be under tension. It is commonly claimed that... Read more
Mechanical Issues with EFHW Antenna
“Rolf, KE1Y, has a EFHW 80 – 10 and it’s wire has broken near the loading coil. He wants to know if there is a better way to have th... Read more
VHF
TIDRADIO BL-1 Bluetooth Baofeng Programmer – Flawed Execution, Poor Software
“The TIDRADIO bluetooth programmer application is one of the worst aplications I have had to deal with in ham radio. Its odd and makes no sense... Read more
Yaesu FTM-300DR C4FM Dual-Band
Yaesu FTM-300DR 50W C4FM/FM 144/430MHz Dual-Band Digital Mobile Transceiver The new FTM-300DR provides stable and reliable 50W RF power output. As in... Read more
ARRL Announces Partnership with RFinder — The Worldwide Repeater Directory
ARRL has established an agreement with RFinder, the creator of a web and app-based directory of Amateur Radio repeaters worldwide, to be its preferred... Read more
Alinco DR-MD500T Dual Band DMR Mobile Radio
New from Alinco is the DR-MD500T, then dual band DMR mobile version of their popular dual band DMR HT. DR-MD500T Dual Band Mobile DMR VHF/UHF Portable... Read more
Equipment
1:1 Current balun Dual core 1500 watts RTTY, 5KW ICAS
1:1 dual core current balun Constructed using dual 240/31 cores. Stainless steel hardware. 1-61MHZ With dual cores you get great frequency range, equ... Read more
IC-9700 VHF/UHF/23CM All-Mode SDR Transceiver UK Availability and Projected Pricing
IC-9700 Icom Inc. has released more details about the launch of the IC-9700 VHF/UHF/23CM All-Mode SDR Transceiver. Icom plans to release this high-per... Read more
Hi-Z Antennas Shack Switch 2 SS2
Hi-Z Antennas Shack Switch 2 is a modern array direction selection console with an easy to use, large manually operated knob with a continuous rotatio... Read more
Review
WSPRlite & End Fed Antenna Testing – Surprise DX on WSPR!
Testing out an LNR 10-20-40 MKII end fed antenna matchbox with a 30 meter wire on the WSPRlite Antenna Performance Analysis System (WSPR beacon). Rece... Read more
Unboxing and Testing the Kenwood TH-D74A Triband DSTAR HT : Ham Radio 2.0
Kenwood has upgraded their game and jumped onto the DSTAR bandwagon. This Triband HT includes the 220MHz band, and is capable of DSTAR on all 3 bands.... Read more
RFinder B1 Interview from Orlando Hamcation 2020
“RFinder B1 at Orlando Hamcation of 2020 – I was privileged to spend lots of time with the nice folks from RFinder at the Hamcation this y... Read more
App - Mobile
iSDR for Iphone and Ipad
iSDR is a software defined radio application compatible with the iPhone®, iPod touch® and iPad™. iSDR is designed for experimenters, shortwave... Read more
What is Echolink? Ham Radio 2.0: Episode 56
Mark Goodrum, W5MHG, discusses Echolink for Ham Radio at the Duke City Hamfest Read more
SignalID – Automatic Radio Signal Identification for Android
There’s an incredible amount of radio signals. It’s impossible to know them all, let alone recognize them. So why not get help from Signal... Read more
HamSphere 4.0 Mobile APP
HamSphere 4.0 Mobile is a virtual portable Ham Radio transceiver for Shortwave, VHF and UHF bands. Talk with thousands of Ham Radio operators around t... Read more
