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Old 06-02-2018, 11:36 AM
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mmckenna mmckenna is offline
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Join Date: Jul 2005
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Could be that the second receiver is experiencing desensitization when the first repeater is transmitting.

Without knowing the frequencies in use, it's hard to know for sure. But using the right transmit combiner, proper frequency separation, maybe some filtering on the RX side, should address this.

LMR-400 might not be working in your favor, either. When used in repeater service, it can suffer some problems. Ruling out coaxial issues would be something I'd do in addition to the above. Using some 1/2" Heliax wouldn't hurt.
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