How can i change the power output of my Pluto with the F5OEO update/change software in DVB mode?
With the DATV-Express software there was a sliderbar for tx power.
73,
Bert
Posts by PA3AOD
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and another one
73,
Bert
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Hello Martin
I use a Serial Ethernet Module for my application to avoid long and thick cables between shack and rotor
See for example at https://www.eztcp.com/en/products/
Bert
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The first pictures received with KG-STV today, so the receive part works.
The bandpass must exactly between the two dotted lines that's a little bit tricky for automatic receiving without my interference.
73,
Bert
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DD0KP Many thanks Heiner.
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i got one of them
Now waiting when it will be delivered and then trying to tune them to 2400MHz for DATV
73,
Bert
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Yes Vale seen a couple of youtube films about KG-STV.
Will leave my RX on 10.489.625 for a couple of days and see if something happens at my screen.
Made hundreds of SSTV QSO's but only in analog so now switching to digital and satellite, exciting
Thanks,
Bert PA3AOD
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i see only a big peak at 625
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What mode ( MSK - 4L-FSK and Code
Totally new at digital SSTV
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Thanks to al
I had also two editor windows open to make it easier to copy frequencies from minitioune.ini to the new config file.
I did some change as suggested for the frequency and suddenly the video pops up
That makes me a happy man.
see the screen dump
I hope the numbers for Carrier, Sr and so on are all OK
Again thnaks to all
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Will continue searching.
it is probably indeed something with the offset....
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DG8KD , tried that also.
The only thing i see than is that the "Carrier" Led is flashing (when the "Wide scan" is on)
Bert
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Thanks Adrian
but that does not solve my problem sadly
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Hi all,
Installed the MiniTiouner software V0.8 without any problem and got nice DATV signals from QO100.
I wanted to upgrade to V0.9beta8_9, softeare installed in the same directory as V0.8 and also a new directory
in both cases no DATV decoding
Went back to V0.8 and again good DATV signals from QO100
I use the Amsat-DL down converter between the LNA (with 25MHZ ext. ref.) and the BATC MiniTiouner USB receiver
The only difference i see is in the red circled area
Am I missing something?
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I Andrej, just send you a Email (to the gmail account according qrz.com).
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I have the same problem as S57NML.
No answer from the admin, asked already three time, i give it up!
Nice piece of hardware but without software useless.
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I don't think it has to do with the power supply, otherwise there where more problems with the other semiconductors.
Maybe just one bad diode in the serie,
or maybe mechanical stress during placing who knows
Anyway my down converter works again and i hope it stays that way.
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I don't think it is a production fault because it worked for a week without any problem.
The diode was just a short circuit (0 Ohm)
Anyway it works again that's make me happy
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Hi all,
Update of my problem:
It's a pitty but they will not publish the circuit diagram for the "Universeller Empfang Mischer für QO-100" from Amsat-DL........
There is a way to get the schematic and that is reverse engineering, but it takes some time.
Luckily the main components are known and with the data sheet (LNBH26) from the manufacturer you can do a lot
The search for the fault as succeeded, one of the diodes at the output of the LNBH26 is shorted "0 Ohm" in both directions thats not good.....
But luckily the LNB26 has a built in protection for short circuit.
As you can see in the data sheet of the LNBH26 the diodes round the IC are not so critical.
By lack of a SMD diode i replaced it with a 1N5818 also a schottky diode.
The 14V is back and the converter is running now for a week without any problem.
Maybe one question remains, why did the diode fail?
