Feed Two 50 Ohm Antennas from One Transmitter

Wes Cardone presented at the July 2024 meeting of the Chelsea Amateur Radio Club the principles of directed energy by means of multiple antennas. The principle is that you rob from the rich and give to the poor. We decide on a pattern that we want our dual-antenna configuration to produce and then place the two antennas a defined distance apart and then phase one of the antennas such that our pattern is produced.

But what Wes did NOT present was how to feed the two antennas. Obviously, if you hook two 50 Ohm antennas in parallel the transmitter will see 25 Ohms and therefore produce an SWR of 2:1. By building a simple Wilkinson Bridge the power will be divided between the two antennas such that the transmitter will see 50 Ohms.


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