22 Apr 10 GHz portable over 150km
One of the best things about our wonderful hobby of amateur radio is going portable, especially 10 GHz portable. When your passion is microwave, getting up on top of a hill is even more motivational. ...
Author: vk3fs
29 Mar IC-705 8 pin mic adapter
What if you want to use a different microphone with your IC-705? Here's an 8 pin mic adapter - a circuit that does the job, but it does have its shortcomings. Maybe that's why Icom doesn't have an optional cable....
22 Mar NBN: Mitigating Amateur Radio Interference to VDSL2
Mitigating Amateur Radio Interference to VDSL2 is a challenge most of us face unless you're lucky enough to be area serviced by fibre. This document published in March 2022 by NBN Co finally explains the link between frequencies used by amateur radio operators - 80 and 40m, and the VDSL2...
04 Mar Arduino 12v interface
This circuit describes a Darlington pair that switches a nominal 12v VCC. The choice of the final switching or output transistor determines the current (Ic) that is supplied to the downstream device....
07 Feb How to program the SG Laboratory 13cm transverter Local Oscillator
How to program the SG Laboratory 13cm transverter Local Oscilator...
27 Jan How to make and set the opening picture on the IC-705
The IC-705 opening picture is easy to set up. All you need is a bit of time, an SD card and a graphics package on your PC. ...
21 Nov Converting a latching coaxial relay to failsafe behaviour
Converting a latching coaxial relay to failsafe behaviour is is ideal for a TX RX coaxial changeover relay. This circuit will show you how....
11 Nov 1296 on the IC-705
If you enjoy SOTA, parks, microwave or radio in the great outdoors, then this is the radio for you. Having received great accolades, and a long list of positives, some might say there’s one thing missing on the IC-705 and that’s the 23cm band....
25 Sep 40m VDSL filter for your NBN
40m and Australia's NBN delivered over FTTN just doesn't mix. It's like oil and water. Transmit on 40 metres and kill the internet. It's quite a common problem here and probably anywhere the internet is delivered over VDSL....
04 Jul Station or Access Point – Which WiFi to use on the IC-705
There’s been a bit of confusion lately about how to access the IC-705 using your PC or laptop. Access Point or Station. You’d want to do this if you’re trying to run software like wfview....