[Elecraft] [KX3] KXFL3 dual-Passband Roofing Filter

[Igor Sokolov]

> This is one of the most clear, concise, and helpful responses I've seen on
> this list in over two years. I will work towards making my e-mails as
> informative as this one.

But not complete.
If you  (like me and many others) would be affected by direct detection of
strong BC signals and will have to use 8Khz IF, then you do not need dual
passband roofing.

73, Igor UA9CDC
KX3 # 051




>
>> The KXFL3 decision is pretty easy. If you plan to use the KX3 only with
>> simple antennas (random wires, loaded verticals, magnetic loops) and for
>> casual QSOs, you don't really need it. Unwanted signals will be weak
>> enough
>> not to overload the DSP. If you plan to use the KX3, even sometimes, with
>> good antennas (big, high), especially in urban environments or
>> multi-transmitter sites like Field Day, or on crowded bands as in
>> contests
>> or DX pileups, then you should have the filter to protect the DSP from
>> very
>> strong, adjacent signals.
>>
>> Another way of looking at it is, if the extra cost is not a hardship, get
>> the filter. Some day you'll be glad you did.
>>
>> Either way, you're gonna love it!
>>
>> 73,
>>
>> /Rick
>>
>>
>> On Mon, Jun 2, 2014 at 10:11 AM, Bill Frantz <frantz at pwpconsult.com>
>> wrote:
>>
>>> My wonderful wife said, "Go ahead and order a KX3. Happy Birthday!", so
>>> now I am working on options. How valuable is the KXFL3 dual-Passband
>>> Roofing Filter? Should I order it now, or see if I need it and order it
>>> later?
>>>
>>> 73, Bill, AE6JV
>>>
>>> ------------------------------------------------------------
>>> ---------------
>>> Bill Frantz        |"Web security is like medicine - trying to do good
>>> for
>>> 408-356-8506       |an evolved body of kludges" - Mark Miller
>>> www.pwpconsult.com |
>>>
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>>
>>
>>
>> -- 
>> Rick Tavan N6XI
>> Truckee, CA
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>
> --
> Walter Underwood
> wunder at wunderwood.org
>
>
>
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