Using baluns to minimise noise

Whilst a balun is usually associated with reduced unwanted transmission line radiation (eg. from the feedline and power cord), a balun can also help minimise unwanted noise picked up by your feedline.  This short video provides a practical demonstration.  With thanks to Davide IZ2UUF. You can purchase commercial baluns or make your own.  There are […]

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Using grounding to minimise noise

Good RF grounding should provide a low resistance path to ground for any RF noise which is present. A low resistance path to ground ensures that the noise is conducted away to ground instead of being radiated.  In addition, your station should also have a quality low resistance path to ground. Refer to this link […]

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Using chokes to minimise noise

The following products are availbale from Jaycar and Altronics.  We’ll add to this list in the coming weeks and months as we get feedback from VK hams. Ferrite suppressors are available in Australia from the following suppliers: The following products can be obtained from Jaycar.  Don’t forget to register as a Nerd and get discounts! […]

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Reducing noise in the shack

That Horrible Noise The first place to address unwanted noise is in your own shack.  This process begins when you design and set-up your radio shack.  Consider non-RF noise as well; try to locate your shack away from the TV, living room or kids bedrooms.   Use the following guidelines as a starting point: Earth […]

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