[Elecraft] Dual Receive on a K3?

[Bill Frantz]

On 3/7/16 at 1:19 PM, w6fg at pacbell.net (W6FG) wrote:

>Would my only option be to add the sub-receiver or upgrade to the KX3?

As far as I know, the sub receiver is the only option. The KX3 
has dual watch, which does many of the same things, but has 
certain limitations. For example, the KX3 can not use narrow 
band filters with dual watch because it needs to have a wide 
enough bandwidth to tune both frequencies at the same time.

During the ARRL DX SSB contest, there were several stations that 
were listening in the US CW sub-band while transmitting in the 
SSB sub-band. KX3 dual watch is limited to 15KHz, which is not 
wide enough for this kind of operation. There were also DX 
stations doing the reverse.

73 Bill AE6JV, who finally gritted his teeth, got the 
sub-receiver, and is very happy he did.

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