[Elecraft] Dual Receive on same band in K3s

[Victor Rosenthal 4X6GP]

The other thing you get with the additional receiver is diversity 
reception. This is a truly wonderful feature that improves copy greatly 
when there is QSB and some kinds of noise.

73,
Victor, 4X6GP
Rehovot, Israel
Formerly K2VCO
http://www.qsl.net/k2vco/

On 12 May 2017 01:41, Bill Frantz wrote:
> Consider a weak DX station working split with a big pileup and compare
> the K3(S) and the KX3.
>
> The K3 has a separate receiver for each ear. Each receiver has its own
> set of roofing filters. The KX3 and KX2 have to cover the entire
> frequency range between the DX station and the pileup with one roofing
> filter.
>
> If the DX station is weak, it is easy to have a strong station in the
> pileup calling out of turn cause desense in the KX3 and make it hard or
> impossible to hear the DX. This desense will not happen in the K3
> because of the separate roofing filters.
>
> Yes, the K3(S) and KX(2,3) are almost equal, but this is one of the
> areas where the K3(S) shows improved performance. In other areas of
> difference. the K3(S) will be more convenient to operate.
>
> 73 Bill AE6JV
>
> On 5/11/17 at 3:21 PM, donwilh at embarqmail.com (Don Wilhelm) wrote:
>
>> You are asking about a "Dual Receive" capability, and for the K3 the
>> answer is that the KRX3 is required.  Two identical receivers which
>> have much more capability and flexibility than a 'Dual Receive'
>> function. The subRX and Main can even be on different bands if VFO IND
>> is set on.
>>
>> The KX3 and KX2 do implement "Dual Receive" - it is a concession for
>> split operation but is limited in range from the main receive
>> frequency, but sufficient for most Split operation situations.  There
>> just is not room inside the KX3/KX2 for a separate receiver.