[Elecraft] K3 in SS Phone

[David Ferrington, M0XDF]

Sorry, that should have been a choice between 1.5 & 1.8 ...

On 19/11/07 19:19, "David Ferrington, M0XDF" <M0XDF at Alphadene.co.uk> sent:

> Ed, I'm waiting for my K3 and I'm a phone man at present (working on my
> Morse).
> I have a 2.8kHz and 400Hz on order. Reading your post, maybe I should consider
> either a 1.8 or a 2.1 kHz filter too.
> Given the option, which would choose?
> 
> Anyone else want to chip in too please.
> 
> Kind of decision I couldn't make back in May.
> 
> On 19/11/07 18:50, "Ed Muns" <w0yk at msn.com> sent:
>> On receive, I used the 1.8kHz crystal filter with the same DSP bandwidth,
>> although signals were quite intelligible down to 1.2kHz and at 1.5kHz there
>> wasn't much degradation from 1.8kHz.  As yet, the K3 filter center

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