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DDS Signal Generator DDS Auto Band Filter switching Simple DDS VFO-2017 Update DDS Xtal Substitute-2017 Update Noise Canceller - aka X-Phase Simple DDS Sweeper Frequency Dependant switch DDS Xtal Substitute MK2-Retired DX160 Mods FT757 Battery Replacement Si5351 Local Oscillator module Pt1 Si5351 Local Oscillator module Pt2 PCB Info PicKit3 Programming Adapter pcb PSK Simple SDR Encoder Headaches
Band plans Old Radio's QSL Cards
G3OAG Filter/leveller for DDS modules F5ITU Simple DDS VFO Mods Philips PM5326 DDS Mod
Layout Electronic Project - Camp Fire Electronic Project - Flouro Simulator Electronic Project - Random Flasher Electronic Project - Welder
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News, Updates and Other Minutiae

August 2019

Website outage - I made some hosting changes and there was a minor hiccup. Hopefully everything is now back to normal but please let me know if anything is missing.

The start of a new project added in the Homebrew category. Specifically, a Frequency Dependant Switch. Measures the incoming frequency and switches 1 of 8 outputs on. Software for this project uploaded.

June 2019

Added another project for the AD9850 DDS modules. A Simple DDS sweeper in the Homebrew section. This is an absolutely basic, no frills project using a 12F1840 to sweep a DDS module between a range of frequencies. Plenty of scope for you to improve on the software and add extra features.

Privacy Policy uploaded. It may be viewed at the Privacy Policy link in the footer.

Custom code/webhost costs

I have, for quite a while, provided modified versions of the code for my projects free of charge. However, the cost of webhosting for this site has tripled in the last few of years and shows no signs of getting any cheaper.

As of October 2017, I will be asking for a donation in exchange for providing custom modified code for my projects to help keep this site available.

GPDR and all that stuff

In accordance with various bits of legislation around the world, either currently in force, about to come into force or proposed, you will now find that annoying "We use cookies" notice at the top of this website. Please note that the ONLY cookies currently used on this site are for that pop-up (see https://cookieconsent.insites.com/) and Google Analytics. The full Privacy Policy is available at the Privacy Policy link in the footer at the bottom of the page. (If you don't know what GPDR is, Google it. Real scary shit for ANYBODY with a web presence.)

Band plan

UPDATED Mar 2019

Here is a sheet I made up from the WIA's Australian band plan information, current as of March 2019. It only goes up to 70cm, as I don't have any gear that goes any higher than that. 2019 Australian band plan Click the picture for a larger one you can download and print. Or here is a PDF version to download: Australian Band Plan Mar 2019 PDF

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