[600MRG] [rsgb-lf-group] LF: Audio alert for JT-9 activity?

[Rik Strobbe]

Hello Chris, Andy, all,


Regarding SlowJT9: adding a simple alert via a serial port pin going high is easy. Via that pin you can drive whatever you want (a simple buzzer or a more sophisticated "alarm").

Other options such as UDP messages, an e-mail or message to a smartphone to be sent are also possible but will be more labor intensive to implement.


But the first question is: what events should trigger the alarm?

There can be various criteria:

- DX station (DX = based on distance or on other continent?)

- New DXXX entity

- New station (never worked before)

- A specific callsign (useful on sked)

- ...

Evaluating the incoming messages might become more complicated that implementing the alert itself ...


So my questions to all of you:

- To whom would alert option in SlowJT9 be useful?

- Based on what criteria should it be possible to trigger an alert?

- What way the alert should be send?


73, Rik  ON7YD - OR7T



________________________________
Van: rsgb-lf-group at groups.io <rsgb-lf-group at groups.io> namens Andy G4JNT <andy.g4jnt at gmail.com>
Verzonden: donderdag 7 maart 2019 18:49
Aan: rsgb_lf_group at blacksheep.org; rsgb-lf-group at groups.io
Onderwerp: Re: [rsgb-lf-group] LF: Audio alert for JT-9 activity?

The trouble with that is that the sound card output is used for audio drive to the transmitter, so unless you play your Tx audio also through the speakers or use different sound cards, you'll run into complications.

One way, without actually doing anything to the WSJT-X software  would be to intercept the UDP messages broadcast by WSJT-X and, using a another prog running on teh sam emachine, read these messages and parse them for a JT9 decode.   Then do whatever you need to do for an audio alert.  Sound card issues are the same, but a piezo bleeper on a spare COM port would do the trick.    JT9-SLow software doesn't broadcast UDP messages, but that's more amenable to the author implementing the facility - perhaps ?

Andy
www.g4jnt.com<http://www.g4jnt.com>



On Thu, 7 Mar 2019 at 17:23, Chris Wilson <dead.fets at gmail.com<mailto:dead.fets at gmail.com>> wrote:


Hi all,

I  just  sent  this  message to the WSJT-X forum, would anyone support
this  request? If so please respond there. If Slow JT-9 could add this
I would find it a very useful addition :)

~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

I work mainly on LF 136kHz and although even trans Atlantic QSO's
occur from here in the UK activity is very limited and spasmodic. When
I check for activity I have often missed the chance to respond. A
selectable audio alert of activity would be a Godsend, would there be
any interest in supporting such an addition? Thanks 2E0ILY


~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~,



--
Best regards,
 Chris                          mailto:dead.fets at gmail.com<mailto:dead.fets at gmail.com>


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