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Re: [CQ-Contest] Bandpass filter

To: "cq-contest@contesting.com" <cq-contest@contesting.com>
Subject: Re: [CQ-Contest] Bandpass filter
From: "Roberts, Will" <Will.Roberts@pgnmail.com>
Date: Mon, 2 Jul 2012 15:54:59 -0400
List-post: <cq-contest@contesting.com">mailto:cq-contest@contesting.com>
If you are single op/1 radio and never listen on a band other than the one you 
are transmitting on, a bandpass filter isn't necessary. If you have a second 
receiver, then a bandpass filter could be helpful if you are trying to receive 
on a different band than you are transmitting on. For example, you are running 
on 40 meters and tuning for multipliers on 20m. If you had interference on 20m 
from your transmitted signal on 40, a bandpass filter could make a big 
difference in being able to hear 20m as you transmit on 40m.

There is a lot of expertise here on the reflector for station design. It sounds 
like you are just asking fundamentally if it would help out in your situation.

73,

Will AA4NC
 

From: "James" <jms_k1sd@verizon.net>
Subject: [CQ-Contest] Bandpass Filter
To: <CQ-Contest@contesting.com>
Message-ID: <000601cd57d5$62abcfd0$28036f70$@net>
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If I operate single op and never transmit on two bands at once, is a bandpass 
filter necessary?  Is it helpful?

 

     73 / James / K1SD / Rhode Island
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