Video

K3NG Rotator Controller Project Update Feb 11 2021

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 on its External Control connector are also offered.

 

New: (Suggestion courtesy VK1JA)
Elevation Gauge hotspots.
El can be quickly sent to 0°, 30°, 60°, 90°, 120°, 150° & … Read more...

Nextion for K3NG Rotator Controller Videos

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 some of the functionality offered.

 

Part 2 – Elevation

Part 2 introduced elevation functionality and adds a decimal place to Az & El readings.

 

Part 3 Read more...

Eltek Flatpack2 HE 48V/2000W Controller

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 Flatpack2 HE 48V/2000W, and display its data.

Read more...

5/16″ SMA Spanner Mods

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.

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Android Applications for Ham Radio

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.

Frequensee
https://play.google.com/store/apps/details?id=com.DanielBach.FrequenSee&hl=en

This is an audio spectrum analyser, acoustically coupled via the handset’s microphone.

Android-Apps-frequensee

Here, I am adjusting the frequency of a local oscillator (LO) in a transverter for a … Read more...

S/E QLD 10 GHz Activity Day, Oct 2013

Brisbane 10 GHz Activity Day, October 27, 2013

Iain, VK5ZD, is operating portable from the Gold Coast, whilst other stations are operating S/E QLD.

A fun MAD (Microwave Activity Day) on 10 GHz!

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Tech Talk: A Passion for Microwaves

Tech Talk at the Redcliffe & Districts Radio Club, September 16, 2013, “A passion for microwaves”, by Doug Friend, VK4OE.

Doug discusses some microwave history, and takes a look at how easy it is to get active on the microwave bands.

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Video: Windfreak SynthNV

We take a look at sweeping an M2 23CM35 yagi for 1296 MHz using a Windfreak SynthNV USB powered and programmed RF Signal Generator / RF Power Detector from Windfreak Technologies LLC.

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Video: Mellish Reef DXPedition 2002

Here is the official collection of VK9ML Mellish Reef DXpedition 2002 videos.

VK9ML Mellish Reef DXpedition – Part 1


 

VK9ML Mellish Reef DXpedition – Part 2


 

VK9ML Mellish Reef DXpedition – Part 3


 

VK9ML Mellish Reef DXpedition – Part 4


 

VK9ML Mellish Reef DXpedition – Part 5


 

VK9ML Mellish Reef … Read more...