[Elecraft] Noisy band changing

Sat Feb 2 22:22:00 2002

If the KAT2 atu is installed, it does emit a little digital noise during
band changes before its microcontroller goes back to sleep. This noise is
heard mainly on the higher bands, but is generally not noticeable on
bands below 17m.

Gary Surrency AB7MY

On Sun, 3 Feb 2002 14:10:31 +1100 "Bill Scovell"
<[email protected]> writes:
> Phil,
>         Looks like we are the only ones to have observed this
> operational aberration. In any event it's nice not to be alone!
> Tks for your response or I would have felt lonely.
> 
> Bill Scovell / VK2SOE
> ----- Original Message -----
> From: Phil Wheeler <[email protected]>
> To: Bill Scovell <[email protected]>
> Cc: <[email protected]>
> Sent: Saturday, February 02, 2002 3:53 PM
> Subject: Re: [Elecraft] Noisy band changing
> 
> 
> > Bill Scovell wrote:
> >
> > > Hi Gang,
> > > I'd like to share a problem I am experiencing with K2/1946 with
> latest
> > > firmware revision.
> > > I'm getting a brief but disconcerting burst of noise when 
> changing
> > > bands 'downwards' from 24MHz to 21MHz and from 18MHz to 14MHz.
> When
> > > going from 24 to 21 the noise is like a burst of static, but 
> from
> 18
> > > to 14 the noise has a raw oscillatory character around 500Hz. 
> In
> both
> > > cases the duration of the noise is less than half a second.
> >
> >
> >
> > I think the "burst of noise" was introduced in the latest 
> firmware
> ..
> > and relates to extending the life of the relays.  This from 
> memory
> of a
> > message.  I definitely hear it from time to time.
> >
> > Phil
> >
> >
> 
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> 

Gary Surrency AB7MY
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