[Elecraft] K3: Choosing which filters to buy

[Shane White]

Joseph I plan to use the FM filter to receive local medium wave AM broadcast
stations (switch in the 12KHz FM filter and then use the DSP to reduce the
IF bandwidth to 9KHz or so). I can listen to nice audio while having
breakfast each morning then.

Thanks, I had overlooked the filter for digital modes.

 

Joseph M. Durnal wrote:
> 
> Even if you don't use CW very often, you may find the 400 hz filter
> useful for digital modes.  You don't have to get all of the filters
> right away of course.  I'm not sure I'll ever get the FM filter,
> because I just can't see myself using a K3 for FM.
> 
> My K3 only has the 2.7 kHz and the 400 Hz filters so far.
> 
> 73 de Joseph Durnal NE3R
> 
> On Wed, Jun 25, 2008 at 9:05 AM, Shane White <shanewh at gmail.com> wrote:
>>
>> 1. I plan to configure my K3 with the following filters -
>>
>> Stock 2.7KHz
>> KBF3 General Coverage RX Filter Module
>> AM 6KHz
>> FM 12KHz
>> CW 400Hz 8 pole (uncertain about this filter)
>>
>> Not having much CW experience and my current radio only using a 2.7KHz
>> wide
>> filter for CW (Rx only), I'm not sure which narrow filter to equip the K3
>> with. What's recommended for someone who will only use CW intermittently
>> and
>> not for contesting? (General purpose use I suppose). It's worth
>> mentioning
>> that I'm yet to learn morse but certainly appreciate it's worth and plan
>> to
>> use it.
>>
>> Are those filters I've listed above all I can fit in the K3's main
>> receiver?
>> I think I read that it had 5 filter slots. I'm not sure if the KBF3 fills
>> one of these slots. If not, should I consider an alternative additional
>> filter?
>>
>> 2. Can users distinguish the difference between the 2.7KHz 5 pole filter
>> and
>> the 2.8KHz 8 pole filter when using the K3? I understand the skirts of
>> the 8
>> pole filter's passband will be steeper but is this noticeable?
>>
>> Thanks,
>> Shane
>> VK5ABQ
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