How to make magnetic loop antenna for 20 metre band

[mrel]

Hi
Have soft copper 3/8 OD 10 foot copper tube.
What size circle needed to make magnetic loop antenna to receive the 20 meter band?
Remember just for receive not to transmitting magnetic loop antenna,anyone have the plan.
What size variable capacitor?
mrel

 

[davenn]

Hi
Have soft copper 3/8 OD 10 foot copper tube.
What size circle needed to make magnetic loop antenna to receive the 20 meter band?
Remember just for receive not to transmitting magnetic loop antenna,anyone have the plan.
What size variable capacitor?
mrel

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