Longmynd Null Packets

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F4DVK
Posts: 38
Joined: Mon Nov 27, 2017 6:24 pm

Longmynd Null Packets

Post by F4DVK » Fri Nov 05, 2021 5:49 am

Hello,

I would like to recover the Null Packets rate, but the value changes from 100% without receiving to 0% when receiving.
My transmission has many Null Packets (about 10%), comparison with the Minitioune software.

How to get the right value with Longmynd?

Thank,
Stephane.

g0mjw
Posts: 1748
Joined: Sat Sep 20, 2014 9:15 am

Re: Longmynd Null Packets

Post by g0mjw » Fri Nov 05, 2021 8:53 am

That makes no sense. Minitioune does not produce a TS, it receives it, so does Ryde via Longmynd.

You ought to have null packets of around 10% to have a stable TS without over-runs. Do you mean you are not getting this from Portsdown or that Longmynd is not displaying the null packets? That's not as far as I am aware part of the package, you would need to use a TS analyser.

Mike

F4DVK
Posts: 38
Joined: Mon Nov 27, 2017 6:24 pm

Re: Longmynd Null Packets

Post by F4DVK » Fri Nov 05, 2021 11:30 am

Thank you for your reply.

This is the information available in "longmynd_main_status", ID # 15.

Thank,

g0mjw
Posts: 1748
Joined: Sat Sep 20, 2014 9:15 am

Re: Longmynd Null Packets

Post by g0mjw » Fri Nov 05, 2021 12:01 pm

Ahha - that's now clear. One for Tim, Dave or Heather I expect.

Mike

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