[RFI] Array Solutions Filtermax III not making any difference on radio 2. What to check?

[Gary]

What bands are the two stations on? What are the antenna arrangements?

73,
Joe kk0sd

-----Original Message-----
From: RFI <rfi-bounces at contesting.com> On Behalf Of Andy KU7T
Sent: Saturday, October 27, 2018 6:32 PM
To: rfi at contesting.com
Subject: [RFI] Array Solutions Filtermax III not making any difference on radio 2. What to check?

Hi,

We go the mentioned filter at our contest station. We got S6+ Interference from the run to the multi station. If we switch the bandpass on the run from the band to bypass, the noise level does not change at all. The relays in the box switch and the band pass is working ( meaning switching to the wrong band quiets the receiver).

Is it possible the filter is working but not make any difference? Does that mean we just get RF from somewhere else and need to find it?  Any tips how?

Thanks
Andy
KU7T

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