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RX antenna - K9AY loops switch with remotly VARIABLE Rload
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!!Jumpers - By the jumper JP3 you can select 50 or 75 Ohm coax output [https://remoteqth.com/img/ZAW-WIKI/K9AY_VAC/jmp3-1-imp.png|noborder] - Jumper JP1 must be short if you want to control direction over coax * '''{.redka#id color: #f23f37; font-size: 200%}⚠{/} NOTE: If you use external DC control, please disconnect JP1. If not, you will have DC voltage on the coax!''' [https://remoteqth.com/img/ZAW-WIKI/K9AY_VAC/jmp3-1-coax.png|noborder] - By the jumper JP2 you can select controlling over coax or DC voltage on connector X3 * '''{.redka#id color: #f23f37; font-size: 200%}⚠{/} NOTE: If you use external DC control, please disconnect JP1. If not, you will have DC voltage on the coax!''' [https://remoteqth.com/img/ZAW-WIKI/K9AY_VAC/jmp3-1-way.png|noborder]
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