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Glenn W9IQ
Glenn W9IQ
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Marcus Müller
Marcus Müller
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Using a Cushcraft MA5B beam, when I apply high pwrpower from a ampan amplifier, the SWR will go up and down Intermittentlyintermittently. Something is breaking down at high pwr, power (200-500 wattsW). I

I have a new coax feedline, RG213 and checked grounds. Could

Could it be the matching box on the antenna? Would appreciate any suggestions Thanks Paul KA4NGW

Using a Cushcraft MA5B beam, when I apply high pwr from a amp the SWR will go up and down Intermittently. Something is breaking down at high pwr, (200-500 watts). I have a new coax feedline, RG213 and checked grounds. Could it be the matching box on the antenna? Would appreciate any suggestions Thanks Paul KA4NGW

Using a Cushcraft MA5B beam, when I apply high power from an amplifier, the SWR will go up and down intermittently. Something is breaking down at high power (200-500 W).

I have a new coax feedline, RG213 and checked grounds.

Could it be the matching box on the antenna?

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Paul
Paul
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Intermittent High SWR

Using a Cushcraft MA5B beam, when I apply high pwr from a amp the SWR will go up and down Intermittently. Something is breaking down at high pwr, (200-500 watts). I have a new coax feedline, RG213 and checked grounds. Could it be the matching box on the antenna? Would appreciate any suggestions Thanks Paul KA4NGW