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MFJ-259B Instruction Manual HF/VHF SWR Analyzer 2 1.0 INTRODUCTION Attention: Read section 2.0 before attempting to use this product. Incorrect power supply voltages or excessive external voltages applied to the ANTENNA connector will damage this unit. Description The MFJ-259B RF analyzer is a com...
TROUBLESHOOTING WITH THE MFJ-259B ANTENNA ANALYZERWhile trying to work some HF DX, I noticed my RF output had dropped to zero and the SWR had gone sky high. The only thing between the input and output connectors is the TR relay.Phillip Mikula...