Modeling Common Dipole Variations

“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

Elecraft K4 Presentation at QSO Virtual Ham EXPO 2021

March 15, 2021 No comments

Eric demos the K4 with latest features at the QSO Today Virtual Ham EXPO 3_2021 Read more

Coaxial cable quality review

July 13, 2015 No comments

Coaxial cable quality review What to look for in a coaxial cable and at what price? Not all coaxial cables are constructed equal. This is what you sho... Read more

ICOM IC-7300 Review and Full Walk Through

October 26, 2019 No comments

New technology is changing the way receivers are being designed and the IC-7300 is an industry first as an RF, Direct Sampling System is being used in... Read more

VHF

FT8 Intercontinental DX Code of Practice 50.323 MHz

June 26, 2019 No comments

During the Northern Hemisphere Summer Es season the use of 50.313 MHz for FT8 contacts has become very congested, and stations are now using 50.323 MH... Read more

ICOM IC-80AD

March 10, 2015 No comments

Switchable VHF/UHF dual bander The IC-80AD provides VHF/UHF dual band capabilities (one band at a time) via a simple band switching system. Wideband r... Read more

RADIODDITY GD-AT10G | 10W UHF | DUAL-MODE | ANALOG & DIGITAL DMR TIER I & II | GPS APRS FUNCTION | COLOR SCREEN

August 13, 2021 No comments

10W/5W/2.5W/1W Selectable: The Radioddity GD-AT10G is a powerful handheld radio with a compact design, featuring selectable output power of 10W/5... Read more

Equipment

Antennas and bands programmable controller LBC8ARD – MomoBeam

December 08, 2016 No comments

LBC8ARD 8 DIRECTION CONTROLLER programmable for any remote relay switches and controlers; Easily programmable to control equipment of: LowBandSystems... Read more

KPA1500+ W Solid State Amplifier /160-6 meters – Elecraft

April 21, 2017 No comments

New KPA1500 solid-state amplifier won’t take over your entire desktop: it’s just 4.5 x 13.5 x 11.5” (HWD; 11.5 x 34 x 29 cm). The lightweight companio... Read more

FLEX-6700

January 08, 2015 No comments

The FLEX-6700™ is for the most demanding amateur radio operator who desires the ultimate on-air experience. With dual spectral capture units (... Read more

Antenna

eFactor Antennas, For VHF/UHF SSB, CW And Satellite, Base OR Mobile, At Huntsville Hamfest 2021

August 23, 2021 No comments

I definitely will have one of these, would be great for POTA, SOTA, Satellite, Mobile, Base, on SSB and/or CW… Read more

End Fed Dipoles : So I need a Counterpoise?

September 20, 2021 No comments

Kenneth, WB3JFR, encouraged this question. Do you need to use a counterpoise just because its “End Fed”? Read more

Antenna Yagi 17 elements 4 bands – GPX Antennas

February 15, 2020 No comments

Frequency: 7, 14, 21, 28 MHz Number of elements: 7 MHz – 3 el. 14 MHz – 4 el. 21 MHz – 4 el. 28 MHz – 6 el. Gain dBd: 5,8... Read more

Digital Modes

The Ultimate Portable Ham Radio Computer

November 04, 2021 No comments

Hello Operators. In this episode of the OH8STN ham radio, we are discussing replacing the raspberry pi field computer build, with the Microsoft Surfac... Read more

Get Started with FT8 – An Introduction for Beginners

November 04, 2021 No comments

FT8 is a mode in the WSJT-X software developed by Dr Joe Taylor K1JT. In this video I show how to get started and make contacts with FT8, introduction... Read more