Trying to receive QO-100 and Freesat with a 2.5 meter dish

  Рет қаралды 11,776

dereksgc

dereksgc

Күн бұрын

Using my 2.5 meter dish for its intended purpose for the first time and consequently attempting to tune into the QO-100 DATV beacon with a DVB-S2 set top box.
The video and (especially) audio are a bit messed up as I'm getting accustomed to a new phone. In future videos I'll try to use external microphones again.
Links:
My website and other social media - sgcderek.github.io/
Timestamps:
00:00 - Intro
02:00 - Astra-2
03:07 - Aiming at QO-100
05:15 - QO-100 NB transponder
12:21 - QO-100 DATV beacon attempt
20:42 - The next day
21:57 - Freesat
24:24 - Outro

Пікірлер: 39
@G7JTT
@G7JTT Жыл бұрын
Your system may not have been the problem, QO100 beacon often has broken video so try again and it may be ok. Very nice dish and setup.
@gorak9000
@gorak9000 Жыл бұрын
If he adjusted the skew, it would work a lot better. Slight skew problems will cause huge issues with dvb-s2
@dogastus
@dogastus Жыл бұрын
Your QO-100 video reception is fine and the problems you're getting have nothing to do with the other transmissions. As M0JTT said, the beacon's video sometimes get corrupted. It's generated by a Raspberry Pi and it just needs a reset to make it come good, so please try it again. I've found skew (LNB rotation) pretty uncritical.
@mod6433
@mod6433 Жыл бұрын
very interresting stuff, love the dish
@vanhetgoor
@vanhetgoor Жыл бұрын
It is told that if you have a very old dish you still can receive an East German Kultur Kanal, with movies for free. Like: "Das leben Von Erich Honnecker" on Sundays.
@jayerjavec
@jayerjavec Жыл бұрын
Aktuelle Kamera as well?
@LarryAllenTonar
@LarryAllenTonar Жыл бұрын
Good Luck
@gonzo_the_great1675
@gonzo_the_great1675 Жыл бұрын
Your hack RF as a 2.4GHz source and a cheap 4watt (chineese watts) wifi amplifier, you will be able to put up good sgnals to QO100 on your big dish.
@dereksgc
@dereksgc Жыл бұрын
that is already what I tried, the output of the hackrf is so much weaker than what the wifi amplifiers expect that it doesn't even trigger its TX detection by default, and when it does then very little power comes out, with 2.5m dish and a cheap wifi amp I only got a couple dB above the noise floor on QO-100
@gonzo_the_great1675
@gonzo_the_great1675 Жыл бұрын
@@dereksgc You could try adding some gain after the hack-rf, with one of the cheap ebay amplifiers. A quick look and I can see 35dB modules, sold as LNAs. But look to be using power MMICs. So should be good for 10's of mW output. That could be enough for your amplifier ?
@me4654
@me4654 Жыл бұрын
Does my community college have classes for teaching all these frequencies and codes for this?
@gonzo_the_great1675
@gonzo_the_great1675 Жыл бұрын
@@me4654 To use the QO100 satellite, you will need an amateur radio licence. How you get that will depend on what country you live in. It usually requires an exam/training course. your best first step would be to find your local amateur radio club and ask there.
@JanicekTrnecka
@JanicekTrnecka Жыл бұрын
I had to repair HackRf LNA almost each time I messed up with external amplifiers (mostly when recieving) but I am now almost certain that It will burn again... Just leak of rf energy fries it :( anyone with the same experience?
@t0nito
@t0nito 10 ай бұрын
My satellite receiver lets my type in the frequency but doesn't actually receive anything :(
@mifak666
@mifak666 Жыл бұрын
Prestehoval jsem se do hlubokeho udoli a az tady pochopil, ze presne toto bude budouci zabava:))) Diky za kanal, budu sledovat. Zatim zacinam, zvladl jsem APT NOAA zcela automatizovat s helix antenou a preampem vlastni konstrukce, ISS propisknu a docela spolehlive posloucham, ale to je nuda. Takze jupi pro energetacek a jdu shanet nejakou slusnou parabolu:D
@dereksgc
@dereksgc Жыл бұрын
Zíta by měl odstartovat Meteor-M N2-3, a pár dní po tom *možná* spustí nové LRPT, tak je se na co těšit
@JanicekTrnecka
@JanicekTrnecka Жыл бұрын
Ahoj, nejaky link na jednoduchy rotator? Asi jsem tupej, vsechno mozny najdu ale rozumný DIY rotator na parabolu, riditelny nejakym rozumnym signalem z kompu ( nejlepe rovnou z sdrsharp,gpredictu) ne a ne najit.
@dereksgc
@dereksgc Жыл бұрын
@@JanicekTrnecka satnogs rotator je asi to nejlevnější co existuje, ale nevim jestli by to zvládlo větší parabolu. Jinak všechno je celkem drahý
@JanicekTrnecka
@JanicekTrnecka Жыл бұрын
@@dereksgc diky za tip, prave louskam dokumentaci a maji to zda se velmi dobre popsany.
@SlawekKlimek55
@SlawekKlimek55 Жыл бұрын
Nice little antenna :)
@countcodeus
@countcodeus 6 ай бұрын
it just tiny
@EvgeniX.
@EvgeniX. 2 ай бұрын
yeah I thought my 1.8m was a large dish 😆
@ArclampSDR
@ArclampSDR Жыл бұрын
there is actully a sofrware demod on windows for qo100
@VU3FKA
@VU3FKA 3 ай бұрын
What is feed used for receiving from QO-100?
@dl8cy
@dl8cy Жыл бұрын
Ahoj a dobrý večer .... it very relaxing watching you playing around... nice setup! vy 73 de DL8CY Mike
@cat19649
@cat19649 Жыл бұрын
4:44 wow the scale of you standing there, I thought the dish was much smaller
@alfatech8604
@alfatech8604 5 ай бұрын
can u watch dvbs-2 tv station using hackrf not a decoder and how do I build your bias tee love it
@dereksgc
@dereksgc 5 ай бұрын
Yes you can but you will be limited to transponders with relatively low symbol rates, only about 7000ksps, maybe up to 15000ksps if you're lucky and the signal is strong enough
@gorak9000
@gorak9000 Жыл бұрын
why do you have the dish mounted upside down? Usually you only do that to get satellites close to the horizon where an offset dish would actually be pointing down and the mount doesn't work that way. Also, you need to adjust the skew of the LNB - when you're on V, you should see practically no signal from H transponders, and vice versa. It's easier to adjust the skew when the LNB isn't at the top of the dish 20' in the air
@dereksgc
@dereksgc Жыл бұрын
I've explained that in previous videos, it allows me to aim the antenna all the way down at 0° elevation at the horizon. In normal config because it's offset it wouldn't be able to do so
@maosolny5856
@maosolny5856 Жыл бұрын
how did you get hudge dish ?
@dereksgc
@dereksgc Жыл бұрын
facebook marketplace
@me4654
@me4654 Жыл бұрын
DirecTV and dish leave them on apartment building balconies all the time, I've been the longest tenant here only cuz they accept pets! But it's normal to see up to 3 on a balcony & since they use 3rd party installers they aren't gonna remove the old one unless you basically force them 😅 my original guy doesn't work for either company and I used to call him when we had like 11 sitting by the dumpster, obviously they must have some type of power to them cuz he had something to check and he'd say this one isn't good & maybe he'd find 2 he could repurpose, so maybe check out apartment buildings and it's possible you'll find a tenant glad to let you remove it for free
@dereksgc
@dereksgc Жыл бұрын
@@me4654 yeah absolutely, same happens here in Europe, for us it's usually Skylink instead of DirecTV. You can spot an unused dish antenna either simply by it not having any cables going to it (or cut), or if it is clearly aimed wrong, often dish antennas get moved during wind storms and the ones that aren't used anymore aren't adjusted back. Often people will let you get it for free since they want to get rid of it
@rawexploiterp6951
@rawexploiterp6951 Жыл бұрын
Damn. Signal reaching 0? Wow.
@dereksgc
@dereksgc Жыл бұрын
Keep in mind the -0db point differs between SDRs, my hackrf clone isn't that good so is easier to overload
@catalinalb1722
@catalinalb1722 Жыл бұрын
Hello where are you from? 73! DE1CTL
@dereksgc
@dereksgc Жыл бұрын
Czech Republic
@VU3FKA
@VU3FKA 3 ай бұрын
What is feed used for receiving from QO-100?
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