Posts by ik4idy

Please see this very intreresting video that simply explain the Low Density parity Check :

Low Density Parity Check

I have been transmitted it on QO-100 WB trasponder several times.

Hope this is useful for you.

Regards.

Hi,

about it I observed that after 45% of error correction, image and audio start to experience serius issues, after 50 % the signal is loss.

Anyway with a high percentage of error, the systems has more work to rebuild the original frame.

Under 30 % I haven't observed problems to decode correctly signals, sometimes you may have a glitch, but after the image and audio return to a good quality.

Regards.

Quote from OE3GBB

Next problem: Is it possible, that the Pluto with the beta firmware from F5OEO doesn't operate in TX with SDR-Console any more? RX is OK, but no output signal.

Dear OE3GGB,

I had the same issue solved updating SDR console to the last version.

Try and if you will have problem, try also to delete the Pluto in the SDR window and insert it again.

Hope it's useful.

73

DATV EXPRESS is no more developed and it's unreliable.

For this reason to avoid waste of time, I strongly suggest to move to the OBS+Pluto with F5OEO last firmware.

In this case you have stop to fight with the old DATV Express.

73

Thank you Peter.

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Great job Amsat-DL, thank you very much !

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Very angry for this exploit...hope they stop definitely their games.

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Congratulations Vale Nice Job !

Hi Mate,

In my opinion the best solutions for the WB Transponder (but I know that are difficult solutions) are :

a) Reducing beacon speed to 1 M/s.

b) Every 1 hour the tx of the beacon stops 1 Minutes, if someone transmit in the beacon slot at 1 M/s, the ground station beacon will stop to tx until the 1 M/s beacon slot is busy. You can apply a 60 Minute "Watchdog timer" to guarantee, visibility of normal beacon. This means that after 60 Minutes the beacon restart and 12 Hours are guarantee of visibility for the Amsat-DL/QARS beacon.

This solution is possible also for a 2 M/s beacon, with some different similar rules.

Do you agree ?

73

Tu Heiner, unfortunately my suspects became true, I'm waiting...

Thank you.

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Dear All,

just an information. I've the Minitiouner V2 Pro, with double USB, primary and secondary. Is it possible to use in some way the second USB Port ? I tryed to use it in a different PC, but Minitioune SW check always the primary port...

Someone has information about the use of the second port ?

Thanks in advance for an answer.

73

Et voilà...but it's not available now, coming soon...

Quote from ik1hgi Tony

Hello tonight I receive Tomasz Salwach a beautiful constellation of 9 balls never seen before after 6 months active with DVBS_GUI, with the new version and a pleasure to receive, I use a parabola 1 meter and above all I must always thank you Thanks . SWL - markro92.

73 Tony ik1hgi

It was 8 not 9...8 is 8PSK this is the reason. Sometimes you will see 16 as 16PSK.

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OE3APM - I've a Minitiouner Express unused, If you are interested write a private email at : ik4idy at email.it

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Anyway a strongly suggest to avoid ICR7000 and ICR7100. Too much noise, no PBT and NR.

I don't know IC7100 RTX but surely is better.

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OE3APM - You can do your orders at : fournitures@r-e-f.org

Write in English or in French (better), asking payment method (is Paypal), and informations for shipping.

Regards.

Do you refer to the receiver ICR7100 or the Transceiver IC-7100 ?

Super !

Thank you Nico, I found a workaround with virtual cable and activating the audio monitor.

But now it's obsolete due to pass to OBS with Pluto+Firmware OEO.

Audio is perfectly managed.

Regards.