[Elecraft] K4

[Ed W0YK]

That's  fine for decode, but transmit uses the 2.8 kHz filter.
73,Ed W0YK
-------- Original message --------From: "Joe Subich, W4TV" <lists at subich.com> Date: 5/19/18  8:01 AM  (GMT-05:00) To: elecraft at mailman.qth.net Subject: Re: [Elecraft] K4 
Ed,

 > On 5/18/2018 7:43 PM, Ed W0YK wrote:
>> There are ham reasons for this request, which I made to Wayne 2
>> years ago. We need a bit more RX/TX bandwidth for the combined
>> JT65/9 modes.
>> 
>> With WSJT, the upper end of the JT9 audio range is not available
>> on the K3.
Absolutely not true.  All it takes is the KFL3B-FM of KFL3A-6K filter.
I regularly decode the entire 4 KHz combined JT65/JT9 segment or more
than 3 KHz of FT8 activity.

73,

    ... Joe, W4TV

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