Macro for K3/K3s and FT8?

[Elecraft mailing list]

When plucking a particular station out on FT8, something that would be useful in the increasingly crowded segment conditions would be to have the radio's filters narrow the passband to just a particular width at a particular frequency (and then go back to a much wider bandwidth at particular times).

I see that the IS and FW (or BW, recommended by the K3 programmer's manual) can do this -- has anyone developed a macro like this for this application?

Example: FT8 on 20m uses the dial frequency of 14074.00, USB. If I'm trying to hear a station at 1800Hz, I'd like to narrow my RX passband to be between 14075.77 and 14076.10 (ft8 bw is 50Hz). But also want to go back to a 2.4 kHz bandwidth.  I might also want to transmit outside the parameters of my RX passband, e.g. in this example, I might transmit tones from 800-850 Hz.


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[NK7Z]

Hi,
I have a short blog post on adding an external control keypad to the K3 at:

http://nk7z.net/adding-external-keypad-k3/

About halfway down is a link to the CP48_Master-Spreadsheet, which is a
spreadsheet where I keep about 20 macros.

There is also Fred Cady's  book, "Elecraft Macro Programming", which in
addition to being the best reference on Elecraft macros, has a lot of
finished examples.


73s and thanks,
Dave
NK7Z
http://www.nk7z.net

On 01/29/2018 01:45 PM, Brian Moran via Elecraft wrote:

> When plucking a particular station out on FT8, something that would be useful in the increasingly crowded segment conditions would be to have the radio's filters narrow the passband to just a particular width at a particular frequency (and then go back to a much wider bandwidth at particular times).
>
> I see that the IS and FW (or BW, recommended by the K3 programmer's manual) can do this -- has anyone developed a macro like this for this application?
>
> Example: FT8 on 20m uses the dial frequency of 14074.00, USB. If I'm trying to hear a station at 1800Hz, I'd like to narrow my RX passband to be between 14075.77 and 14076.10 (ft8 bw is 50Hz). But also want to go back to a 2.4 kHz bandwidth.  I might also want to transmit outside the parameters of my RX passband, e.g. in this example, I might transmit tones from 800-850 Hz.
>
>
> ______________________________________________________________
> Elecraft mailing list
> Home: http://mailman.qth.net/mailman/listinfo/elecraft
> Help: http://mailman.qth.net/mmfaq.htm
> Post: mailto:[hidden email]
>
> This list hosted by: http://www.qsl.net
> Please help support this email list: http://www.qsl.net/donate.html
> Message delivered to [hidden email]
>

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