Video

Daiwa SWR & Power Meter LED Lighting

May 4, 2025 by Adam

The OEM incandescent lamp in a Daiwa SWR & Power meter which failed is being replaced with modern LEDs.

Five Philips heads screws, 2 on each side and one at … Read more...

Amateur Radio Miscellaneous Video

Tokyo’s Electric Town – Ham Radio Shopping

November 15, 2023 by Adam

In the Tokyo burbs, Akihabara, also known as “Electric Town”, is heaven for ham radio shopping.

This district is also a Mecca for all sorts of electronics, PCs and gadgets, … Read more...

Amateur Radio Satellites Video

Homebrew Satellite Antenna Elevation System

July 23, 2023 by Adam

For working satellites, horizontally polarised yagi antennas will be mounted on a non-conductive crossboom made of FRP (Fibreglass Reinforced Polymer).

A Yaesu G-800DXA azimuth rotator is already on station, so … Read more...

Amateur Radio K3NG Rotator Controller Video

K3NG Rotator Controller Project Update Feb 11 2021

February 11, 2021 by Adam

In this video, Adam goes over the latest Nextion NX8048K050 (Enhanced 5.0″) firmware V2021-02-11-01 update for K3NG Rotator Controller.

Solutions to fix the crappy Yaesu G-5500 +13V rail voltage drop … Read more...

Amateur Radio K3NG Rotator Controller Nextion HMI Video

Nextion for K3NG Rotator Controller Videos

November 23, 2020 by Adam

A series of videos demonstrating the VK4GHZ Nextion for K3NG Rotator Controller

Part 1 – Basic Az system

Part 1 looks at a basic azimuth-only system and introduces you to … Read more...

23cm Amateur Radio Eltek Rectifier Miscellaneous Nextion HMI Video

Eltek Flatpack2 HE 48V/2000W Controller

September 26, 2019 by Adam

An Eltek Flatpack2 HE 48V/2000W rectifier is being used as the power supply for a 23cm 600W LDMOS Power Amplifier project.

This touchscreen controller has been developed to control the … Read more...

23cm Amateur Radio Eltek Rectifier Video

Eltek Flatpack2 controller PSU

May 27, 2019 by Adam

A reliable 5V power supply is required to power a controller for an Eltek Flatpack2 48/2000 HE rectifier being used as the PSU for a future 23cm 600W LDMOS Power … Read more...

Amateur Radio ThunderBolt GPS Video

VK4GHZ Thunderbolt GPSDO Display firmware fix

August 28, 2017 by Adam

I have a fix for the Thunderbolt GPSDO date error!

The VK4GHZ Thunderbolt Display no longer uses the Year, Month and Day data fields sent from the Thunderbolt.

These date … Read more...

Amateur Radio Microwaves Modifications Video

5/16″ SMA Spanner Mods

April 20, 2016 by Adam

Doug, VK4OE, shows us some handy modifications to a 5/16″ combination spanner to make it more user friendly when dealing with SMA connectors in tight spaces.

Amateur Radio Miscellaneous Video

Android Applications for Ham Radio

March 12, 2014 by Adam

There are many ham radio orientated apps available from Google Play for your Android device, and I will be documenting a few of the apps I have found useful here.… Read more...

Amateur Radio Microwaves Video

2.4 GHz Shoot Out Site Recce

February 20, 2014 by Adam

The idea of 2.4 GHz “shoot out” was raised with the VK4 microwavers present at the last 5.7 GHz shoot out.

Both myself and VK4EA did a site recce at … Read more...

Amateur Radio Microwaves Video

S/E QLD Microwave Activity Day, Jul 2013

February 6, 2014 by Adam

Finally!
Presenting the VK4 Microwave Activity Day video for July 2013.

Thank you to all those who shot some video – without the efforts of these people – there would … Read more...

Amateur Radio Microwaves Video

Microwave Antenna Mounting Schemes

January 28, 2014 by Adam

Depending on the size and wind load of your antenna system, you may be able to get away with using tripods and mounting schemes intended for consumer grade video and … Read more...