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mihu

Member Since 11 Feb 2012
Offline Last Active 02 Sep 2024 09:17
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Posts I've Made

In Topic: Missing channels on certain transponders

25 August 2024 - 13:28

SOLVED!

 

Tests with another receiver confirmed it is not a dish/LNB problem. After juggling with various images I've  decided to downgrade the FPGA.

I've installed FPGA 4.2, 4.4 and finally 4.5 which repaired the scanning. I've been lucky to keep this last firmware on my computer as I could not find it anywhere on the web.

 

Thanks to all who responded for suggestions.


In Topic: Missing channels on certain transponders

21 August 2024 - 10:29

This is an old installation, but the 80cm dish gives quite stable signal, reaching >15dB on certain transponders when the weather is fine. On problematic transponders the level is around 13.5dB SNR with 0 BER and the tuner locks without any problems. Note that the tuner succesfully scans some other transponders with 5/6 FEC (today due to heavy rain SNR dropped to 11.5dB and still those "good" transponders scanned correctly).

I've tested both current versions of OpenPLi 9.0 and 8.3 without success.

For checking I've installed channel list from repository and the tuner failed reporting problem with PAT. To diagnose it further I've run w_scan which confirms this with messages like this:

tune to: S  f = 11488 kHz H SR = 27500  5/6 0,35  QPSK  (318:64511:1500) (time: 13:22.702)
        Info: no data from PAT after 2 seconds
        Info: no data from PAT after 2 seconds
        Info: no data from SDT(actual) after 3 seconds
        Info: no data from NIT(actual )after 11 seconds

It seems like a compatibility issue with specific settings on those "bad" transponders.


In Topic: Release 9.0 unusable on VU+Uno due to image size

2 August 2024 - 18:26

Buying new electronics is always tempting, but my Uno works surprisingly fine. :)

OpenWebif was just an example that works for me. My suggestion was a minimal system that will work for everybody at the cost of manually installing a few extra packages. Note that user installed packages should be preserved during upgrade with settings restoration, so the problem of a missing software would happen just once.

On the other hand have you considered offloading parts of the system to another storage (internal drive or external usb)? OpenWrt, which also faces difficulties with low flash size, offers extroot, which allows to extend the system to external storage in a transparent way. Maybe something like that could be implemented in OpenPLi?

I really do appreciate supporting devices for so long, and OpenPLi should be praised for such approach. I hope there is still hope for the next releases. :)
 


In Topic: Missing channels on certain transponders

27 July 2024 - 12:01

1) Does satellites.xml matter if I set transponder parameters (new FEC) manually?

2) What should I change in satellites.xml myself?