Flex Spots Problem & Opportunity - FreeDV Flex Integration

[K9YK Radio]

Mooneer, I've noticed that the spots being sent to the radio with the Flex waveform integration do not have lifetime_seconds set.  This causes these spots to pile up and collect in the panadapter until the radio is rebooted. Ideally these spots should only stick around for 10 minutes.  If the station does not transmit again in 10 minutes, we can assume they are no longer on the air.  

Removal of the spots is handled automatically by the radio, you simply need to set the lifetime_seconds parameter when creating the spot. 

S0|spot 149 callsign=VA3WTB rx_freq=14.236000 tx_freq=0.000000 mode=FREEDV color= background_color= source= spotter_callsign= timestamp=1767639575 lifetime_seconds=0 priority=0 comment= trigger_action=TUNE

There is another opportunity here.   It looks like the spots are being sent to the radio when the station stops transmitting.   FreeDV could calculate the average SNR during the station's transmission and then add that to the "comment" parameter when the spot is created.   When a comment is added, it appears in the panadapter when the user mouses over the spot.  This would make it easy to see the SNR from each station right in the Flex panadapter.    Something like comment="Avg SNR=12" would work nicely.

Beyond this, command line options to set the foreground and background spot colors would be great so that users could easily distinguish FreeDV spots from other types of spots. 

Mark (K9YK)

[Mooneer Salem]

Hi Mark,

Is the ten minute timeout based on what other apps that support Flex's spotting feature do? Trying to figure out if it maybe should be a bit longer.

Thanks,

-Mooneer K6AQ

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[K9YK Radio]

Yes Mooneer, here is a spot that was sent by FRStack3.  You can see that lifetime_seconds is set to 600.

S0|spot 111 callsign=N5LOL rx_freq=14.244000 tx_freq=14.244000 mode= color=#FF008F00 background_color=#DDDDDD source=STSN5LOL14.244 spotter_callsign=K8NEE timestamp=1767638485 lifetime_seconds=600 priority=2 comment=US-1182(US-OK) trigger_action=tune

[Mooneer Salem]

Thanks! Try this once it finishes building: https://github.com/drowe67/freedv-gui/actions/runs/20790084717

-Mooneer K6AQ

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[Alan Beard]

Hi guys,

I have an RX-888 here, home, Sydney, Australia, I'm running KA9Q-web, I'm looking for

how to add a decoding mode to add to it, RADEv1. As noted above, I have freedv-ka9q running

in OpenWebRX alongside other digital modes. Yes, there's an app-image, but I'd like the sourcecode.

And, the ability to add the VHF bands that the RX-888 supports. To make use of the antenna here for others

to listen to.

Alan VK2ZIW

Alan VK2ZIW

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[Alan Blind]

Mooneer

Thanks for your fast turn around on suggestions.

Question and a request:

What is the command line argument to set up the new spot timeout option?

And.....can you publish a list of all the Flex AppImage command line arguments, to put them in on consolidated location.

Alan. WA9WUD

[Mooneer Salem]

Hi Alan,

Please see https://github.com/drowe67/freedv-gui/blob/566dadf9ed114d91a20c9560ac1f475e5a4a2c42/src/integrations/flex/README.md#full-list-of-options for the full list of command-line options for the FlexRadio waveform, including the most recently added spot timeout one.

(There's also an equivalent for freedv-ka9q at https://github.com/drowe67/freedv-gui/blob/566dadf9ed114d91a20c9560ac1f475e5a4a2c42/src/integrations/ka9q/README.md#command-line-arguments.)

Thanks,

-Mooneer K6AQ

To view this discussion visit https://groups.google.com/d/msgid/digitalvoice/90f3ed3e-2177-4de6-8716-994a18e6038an%40googlegroups.com.