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Amateur Radio Modifications 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 Modifications

Simple FTDI PTT & CW Keying Interface

April 15, 2025 by Adam

It doesn’t get any simpler than this!

This interface uses the RTS and DTR signal lines from a cheap FTDI USB Serial Adapter, and provides isolated keying for both PTT … Read more...

Amateur Radio Modifications

OCF 40M Dipole Repair

April 12, 2025 by Adam

Adam fixes his faulty 40M Off Center Fed dipole, after being exposed to the elements for 16 years.

The enclosure was cracked, no doubt caused by the SO-239 being recessed … Read more...

Amateur Radio Eltek Rectifier

New Eltek Touchscreen Controller & Monitors

April 1, 2025 by Adam

Both the Eltek Flatpack2 Touchscreen Controller and Eltek Monitor projects have been updated.

The PCB has been redesigned so the controller board can now piggyback mount to the screen.

This … Read more...

Amateur Radio Eltek Rectifier

Eltek Controller Compatibility

February 20, 2025 by Adam

The following Eltek Flatpack 2 Rectifiers are known to work with all of my Eltek controllers.

Thank you to those who spent a few minutes to take a photo and … Read more...

Eltek Rectifier

Eltek Flatpack 2 Monitor Available

February 19, 2024 by Adam

Two versions of the Eltek Flatpack 2 Monitor are now available, one with a colour TFT screen, and the other with a mono OLED screen.

The colour screen has one … Read more...

Amateur Radio Eltek Rectifier

Eltek FP2 Monitor Development

December 3, 2023 by Adam

Update: 19-Dec-2023

Eltek FP2 Monitor is currently being developed as a replacement for the popular Volts Setter.

Eltek Monitor is used to set the default start-up voltage of an Eltek … 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 DMR

Anytone AT-D878UVII+ (v3.01) VK Codeplug

March 16, 2023 by Adam

VK Reference Code plug for Anytone AT-D878UVII+ (v3.01 firmware)  hand held radio.

Features

• Mode 0 (zero)

• Most known VK DMR repeaters – considering the poor state … Read more...

Amateur Radio Eltek Rectifier

Eltek Volts Setter Available

February 27, 2023 by Adam

Another batch of Eltek Volts Setters have been assembled and tested.

This batch features a blue OLED display.

(Previous batches had a white OLED)

Now available in the VK4GHZ store.… Read more...

DMR
Amateur Radio DMR

Anytone AT-D878UVII+ (v2.05) VK Codeplug

August 16, 2022 by Adam

VK Reference Code plug for Anytone AT-D878UVII+ (v2.05 firmware)  hand held radio.

Features

• Mode 0 (zero)

• All current VK DMR repeaters

• Channels – All Digital … Read more...

Amateur Radio Miscellaneous

VK Logger Forum Archive

May 16, 2022 by Adam

VK Logger Ham Radio Discussion Forum was established in 2006, and ran continuously until 2016.

Operation was suspended in 2016 due to a lack of activity, but “re-booted” in 2018.… Read more...

Amateur Radio K3NG Rotator Controller Nextion HMI

Nextion for K3NG Rotator Controller Update 2022-05-03

May 3, 2022 by Adam

VK4GHZ 7.0″ Nextion firmware for the K3NG Rotator Controller receives an update dated 2022-05-03.

This is a typo fix only on the about page for the 7.0″ version only.

Thank … Read more...

Amateur Radio K3NG Rotator Controller

K3NG Rotator Controller Start Up Issue

April 26, 2022 by Adam

Adam noticed that his G-5500 was moving Clock-Wise every time the system was powering on. If the rotor were installed up on the tower, this would not have been so … Read more...

Posts pagination

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VK4GHZ Store

  • Eltek FP2 Monitor v2 - NEW Eltek FP2 Monitor v2 - NEW $90.00 AUD
  • Eltek FLATPACK2 24/48V Touchscreen Controller Kit v2 - NEW Eltek FLATPACK2 24/48V Touchscreen Controller Kit v2 - NEW $150.00 AUD
  • Genuine OEM Belt Clip for Anytone AT-D878UV & AT-D868UV - 3 Pack Genuine OEM Belt Clip for Anytone AT-D878UV & AT-D868UV - 3 Pack $20.00 AUD

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