Re: Topband: Air Wound Coil

[VK3HJ]

I wind my air wound coils using 4 mm copper tubing on a form such as a baked 
bean can. It holds its shape when the form is removed and I then stretch out 
the coil longitudinally to achieve the pitch required. Inductance can be 
easily calculated.

The copper tubing is very easy to solder and taps can be made where 
required.

Luke VK3HJ 

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