HF transmitters need low pass filters. These are the values to use in a circuit with
C1 - L1 - C2 - L2 - C3, in 2x pi type circuit. C in pF, L on uH.
10m - 100/0.325/180/0.325/100
20m - 180/0.575/330/0.575/200
40m - 430/1.3/820/1.3/430
80m - 820/2.48/1500/2.48/820
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