[Elecraft] sub receiver question
Radio Amateur N5GE
n5ge at n5ge.com
Fri Oct 16 20:16:37 EDT 2009
On Fri, 16 Oct 2009 16:17:18 -0700 (PDT), Bill W4ZV
<btippett at alum.mit.edu> wrote:
>
>
>
>jim danehy wrote:
>>
>> I own K3 # 3355. Love it. Only thing I do not have is the digital recorder
>> and the sub receiver. I am considering the sub receiver. I read in the
>> operating manual that there is a -3 db loss when both receivers are using
>> the "splitter" (common antenna). Is that interpretation correct ? I would
>> probably not be using two antennas except on 160 and 80 which I operate
>> sparingly in the winter. If I use the sub receiver and the main receiver
>> from the same antenna can you notice the -3 db loss ? As we know that is a
>> halving of the signal. One db is the lowest difference your ear can
>> detect.
>>
>
>Yes there's a 3 dB loss because the signal is split into two. On the low
>bands, you will never notice a 3 dB loss because the ambient noise is so far
>above the K3's sensitivity.
>
>73, Bill
Bill is correct about probably not noticing the difference, but if it
bothers you, you have the option of turning each receiver's preamp on.
73,
Tom, N5GE
n5ge at n5ge.com
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