Antenna
Adding dB Gain to your Transmit Signal. Howe much difference?
There are a number of ways to add dB gain to your transmitted signal. But how much difference does 3dB or 6dB make? Is it worth the effort! Peter G3OJ... Read more
PT-GP1 Multiband HF Vertical Portable Antenna
Here we take a look at and test the PT-GP1 HF Multiband Antenna. This can be used either portable, on hikes, sota, pota or even as a semi-permanent ho... Read more
PackTenna Linked EFHW | 5 Band Version K8MRD MOD
PackTenna Linked EFHW with the K8MRD Mod. Resonant on 40, 20, 17, 15, & 10 Meter Ham Radio bands. NO TUNER NEEDED! PackTenna makes ultralight, por... Read more
THE TILTED TERMINATED FOLDED DIPOLE – A PRACTICAL BUILDING GUIDE
“THE TILTED TERMINATED FOLDED DIPOLE Recently, I have been experimenting with the Tilted Terminated Folded Dipole, a.k.a. TTFD, a.k.a. T2FD. I... Read more
Antenna experiment – Fractal Quad for 28 Mhz band
“After reading many antenna articles in the Internet and a couple ARRL antenna books I got interested in physically small HF antennas. My... Read more
Review
ZUMSpot RPi PiStar Hotspot Review
The ZUMspot RPi is an advanced radio module board. Paired with a Raspberry Pi and the MMDVM software becomes a small and efficient multi-mode digital... Read more
The MFJ-17754 40/20 Trapped Dipole – Review
Brand:MFJ Manufacturer’s Part Number:MFJ-17754 Part Type:Wire Antennas Product Line:MFJ 17754 40/20M Dipole Antennas DXE Part Number:MFJ-17754 U... Read more
HF Interference Problem from Ethernet over Powerlines Devices
“Testing to see how bad powerline internet connections can be for HF reception. These devices allow you to use your house power cables as a conv... Read more
Wouxun REVEALS the KG-1000G
“Today we get to look at a brand new Mobile GMRS Radio from Wouxun, the KG-1000G. This Mobile radio has some nice features that make it a conten... Read more
MFJ-2104 Octopus Antenna, Four Dipoles of Fun!
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
Equipment
Elecraft K4 – High Performance Direct Sampling SDR
Elecraft K4 OVERVIEW A direct-sampling SDR you’ll love to use Our new K4 harnesses the latest in signal processing while retaining the best aspects of... Read more
BUILD A COMPUTER TO CW INTERFACE
Using a well-known circuit, I show you how to build a simple computer interface so that your logging software can send CW through your radio. The logg... Read more
Runbo P5 4G DMR VHF/UHF
Military grade Tablet with integrated RTK Positioning powers Forensic Mapping, Collision Reconstruction, Land Surveying etc. Running Android, you can... Read more
The soon to be released GSOC from XieGu
https://www.youtube.com/watch?v=RdXYoiP3WFQ Read more
ICOM IC-7300 analogue {analog} s-meter prototype testing
ICOM IC-7300 Features Frequency: 1.8～200MHz Power Range: 30/300/3000W Input Connector: N Female Cross needle SWR and Power indications in one meter un... Read more
News
WRTC 2023 AWARD : January 2023…headset on!
WRTC Organizing Committee is proud to announce a 2023 edition of WRTC 2023 AWARD! This is NOT WRTC 2022 Contest that will be held in Bologna in July 2... Read more
Dayton Hamvention Announces Theme for 2023
Dayton Hamvention® 2023 is just over 6 months away, and next year’s Hamvention team has selected “Innovation!” as the event theme. T... Read more
The 2023 ARRL Calendar
Keep track of your important dates, ARRL contests, and holidays with a 2023 ARRL Calendar. This year’s calendar features Collegiate Amateur Radi... Read more
The Secret Government Radio Signals I Heard Today!
The Secret Government Radio Signals Read more
Radio Amateurs Support the Great ShakeOut 2022 in Puerto Rico
Students from the Crop Protection Student Association at the University of Puerto Rico in Mayagüez participated in a communications practice session a... Read more
