This transmitter has a few watts of output power, having been found in a 1997 documentation. L1 has 4 turns of wire 26 or 24 in a form of 1 cm without core or 0.5 cm with core. L2 has 8 turns of wire 22 in the form of 1 cm without core. The output transistor must have a heat sink and the source must have excellent filtration.
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