I support Ian's suggested option. My previous question about using a
programmable function is (I now realise) useless (as is using a macro)
because they all need a hold on a button, and we've already got that!
On 19:59, Ian White GM3SEK wrote:
[snip]
I was only suggesting ONE new option.
Graham said:
How about making it possible to switch the APF on and
off through a programmable function button
Dick said:
It should be possible using a command macro.
AP0; turns CW APF off,
AP1; turns CW APF off,
SWH29; toggles DualPB which is APF if you have the K3 menu parameter
CONFIG:DUAL
I do not understand how assigning APF to a PF button makes things any
easier. From what I have seen in the comments, the problem is that it
is a button Hold problem. PF1 and PF2 are button hold functions - why
not just hold the Dual PB button and use it as-is? Some of the cures
presented here
*Hi Don,
I do this all the time and find it convenient. KISS principle works for me.
73
Gary
*
On 30 June 2012 23:16, Don Wilhelm w3...@embarqmail.com wrote:
I do not understand how assigning APF to a PF button makes things any
easier. From what I have seen in the comments, the problem is
G3XDY wrote
I find the K3 APF invaluable for weak signal work on the microwaves. In
the microwave NAC contest last night I worked three stations over 600km
on 2.3 and 3.4GHz by aircraft reflection, and the APF really helped pull
the weak signals out of the noise. I generally use 1kHz
Just wondering if there are others who would prefer that the APF state
NOT be remembered by the WIDTH I/II preset? For some reason that has
always rankled me a bit. Would prefer to have APF changed only by
means of the DUAL PB button.
73,
Drew
AF2Z
On Thu, 28 Jun 2012 03:27:00 -0700 (PDT), you
I find APF very useful for VHF/UHF work too, and the need to hold the
button a problem. How about making it possible to switch the APF on and
off through a programmable function button - is that an option?
Graham
On 19:59, Joe Subich, W4TV wrote:
And the point is: it's fixable.
It is not
...@mailman.qth.net] On Behalf Of Graham Kimbell G3TCT
Sent: Thursday, June 28, 2012 9:52 AM
Cc: elecraft@mailman.qth.net
Subject: Re: [Elecraft] K3/KX3 Operating Tip: APF (audio peaking filter) for
weak-signal CW work
I find APF very useful for VHF/UHF work too, and the need to hold the button
: elecraft-boun...@mailman.qth.net
[mailto:elecraft-boun...@mailman.qth.net] On Behalf Of Graham Kimbell G3TCT
Sent: Thursday, June 28, 2012 9:52 AM
Cc: elecraft@mailman.qth.net
Subject: Re: [Elecraft] K3/KX3 Operating Tip: APF (audio peaking filter) for
weak-signal CW work
I find APF very useful for VHF
Wayne Burdick wrote:
on the K3, it's labeled DUAL PB (hold). The K3 actually provides two
different special filter functions; use the DUAL PB menu entry to set
up the switch for APF.
On the K3, it would be really helpful to have an option to reconfigure
that button on the K3 as tap = APF so
Ian == Ian White GM3SEK gm3...@ifwtech.co.uk writes:
Ian Wayne Burdick wrote:
on the K3, it's labeled DUAL PB (hold). The K3 actually provides two
different special filter functions; use the DUAL PB menu entry to set
up the switch for APF.
Ian On the K3, it would be
I find the K3 APF invaluable for weak signal work on the microwaves. In
the microwave NAC contest last night I worked three stations over 600km
on 2.3 and 3.4GHz by aircraft reflection, and the APF really helped pull
the weak signals out of the noise. I generally use 1kHz width for CW and
my
Pierfrancesco Caci wrote:
I'd hate to lose the possiblity to quickly tighten the filters with one
tap (think digimodes, where you switch from looking at a 3 kHz
waterfall down to a single psk signal with just 3 presses of that
button). What about long hold (more than 3 seconds)? I think long
And the point is: it's fixable.
It is not fixable to your definition without changing both the front
panel (engraving) and keytops (legend). Moving XFIL to HOLD would
be extremely inconvenient for users of that function (it is very
difficult to do multiple HOLD gestures) and the current
Joe Subich, W4TV wrote:
And the point is: it's fixable.
It is not fixable to your definition without changing both the front
panel (engraving) and keytops (legend). Moving XFIL to HOLD would be
extremely inconvenient for users of that function (it is very difficult
to do multiple HOLD
Both the K3 and KX3 have an APF control (audio peaking filter). APF
can be extremely effective when you're trying to copy weak CW signals
buried in noise.
Most DSP filters have very steep skirts; they're often referred to as
brick-wall filters for this reason. This is the type of filtering
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