014 QO-100 How Do We Get 20 Watts Output on 2 4GHz Wi Fi (Part 2)

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Cross-posted video from my main channel (Because it is HAM related)
We will build a satellite station to reach the geostationary QO-100 Amateur Satellite 36’000km away. In the end, I should be able to talk to other amateurs using this ground station.
Newest product links in this video: • 020 QO-100 Update: Fri...
Links:
Adalm Pluto SDR Receiver: amzn.to/3fSQPxk
Pluto+ (better choice): s.click.aliexpress.com/e/_A6C9XX
Amsat DL: amsat-dl.org/en/eshail-2-amsa...
Power Meter: s.click.aliexpress.com/e/_AXkX3X
Better amplifier: www.sg-lab.com/AMP2400v3/amp2...
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Опубликовано:

27 июл 2024

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Комментарии : 66

@aculleon2901 2 года назад

You convinced me to do my Ham license with this video. Danke :)

@jmr 2 года назад

Awesome!

@LANDYMAN090 2 года назад

You will never regret doing it but except the XYL to roll her eyes when you start talking about radios

@indeterminatus 2 года назад

Down the rabbit hole you go. Fun times, though, no regrets on my part. :)

@HB9BLA 2 года назад

@acul: Good decision!

@matambale 2 года назад

LOL Andreas, here we say "there's no replacement for displacement". Regarding that Siglent spectrum analyzer - excellent score on the domestic front, demonstrates superior diplomatic skills!

@HB9BLA 2 года назад

Unfortunately, I do not understand the meaning of your comment :-(

@matambale 2 года назад

@@HB9BLA My apologies! The first sentence refers to your remark @11:59. It is an expression we use here in the USA to say the same thing about engine displacement. The second sentence refers to @10:22 and is congratulating you for your skill at convincing your wife of the need for the spectrum analyzer. I'd call that "domestic diplomacy".

@HB9BLA 2 года назад

Thank you for the insight! Now I understand.

@maximus6884 2 года назад

A great enjoyable video. Love your SDR stuff.

@HB9BLA 2 года назад

More SDR stuff to come on this channel!

@olipito 2 года назад

Man, I can't wait for the next episode!! soo cool!

@HB9BLA 2 года назад

Next week, same channel;-)

@santorcuato 2 года назад

We (really you) are approaching the goal. Very exciting!

@HB9BLA 2 года назад

Indeed, this is an exciting project. I had to learn a lot!

@simonvu9290 2 года назад

just got my ham "Fähigkeitszeugnis" yesterday! only ~50 more years of experience, and ill hopefully be able to make similarly exiting projects

@HB9BLA 2 года назад

Congratulations! I am sure it will not take such a long time ;-)

@psei513 2 года назад

Apart from super interesting materials ( as allways ), I really like to listen to your accent.

@HB9BLA 2 года назад

Glad to hear that! The accent is "built-in" and does not need any effort ;-)

@jmr 2 года назад

Very interesting video. I suspect we will be talking about ERP soon.

@HB9BLA 2 года назад

I never tried to calculate it. Too much unknown things. On 2.4GHz the opening of the Poty feed is bigger than the diameter of the antenna.

@f.hababorbitz 2 года назад

That spectrum analyzer was cheap compared to the Harley. :D I'm a retired EE, never worked RF other then susceptibility and emissions for avionics compliance (spent career designing for compliance and doing the shake-bake tests). Very deep notches in the COMM bands for emissions. And very high susceptibility levels for HIRF compliance. I worked for Collins radio. Always learning new things from your channel, Thank You!

@HB9BLA 2 года назад

Indeed, these instruments became affordable. I already see that more DIY antennas are built because people see now if they perform. We had Collins Radios during my military service, of course :-)

@harryhino2267 2 года назад

When I did my apprenticeship in the late 70's, 0dBm=1mW into a 600 ohm load. Back then this was the impedance used for telecommunication systems. Not sure what the effect is on 50 ohm systems, but if you aren't looking for voltage or current values, it probably doesn't matter.

@HB9BLA 2 года назад

0dBm is still 1mW independent of the impedance. The voltage probably was a little higher on a 600 ohms line...

@zyghom 2 года назад

SUPER NICE!

@HB9BLA 2 года назад

Thank you!

@rjordans 2 года назад

One other difference between the spectrum analyzer and the power meter is that the power meter will give you the total power over the measurement range, including harmonics and any other spurious signals. Not surprising to see it giving a higher value! Anyway, looking forward to the next episode

@HB9BLA 2 года назад

I agree.

@PhG1961 2 года назад

Excellent !

@HB9BLA 2 года назад

Thank you!

@chuxxsss 2 года назад

Well put together, Andreas dbm is my favourite db maths.

@HB9BLA 2 года назад

It is easy because a multiplication becomes an addition...

@chuxxsss 2 года назад

@HB9BLA Wireless Yes, and it is referenced to a 1 mW.

@rlcserieparalelo2500 Год назад

Excelent!

@HB9BLA Год назад

Thank you!

@felixmsrtin 2 года назад

Excellent episode Andreas, really apreciate your channels! You should ve taken a look at SG-Labs from Blgaria , he makes suited amps for qo100 and the Puto for 138€... and I suppose far better quality than the stuff from Ali. I m using the terrestrial one as i not only tend to use the stuff for qo100 only. (That one is not on the webpage) I am still good enough, just below Leila with around 12W Pout and my 80cm dish. Btw using his transverter as well). 73 Felix

@HB9BLA 2 года назад

I changed the link in the description to the SG-labs amplifier. It is much better, you are right!

@DrFrank-xj9bc 2 года назад

Hello Andreas, this video brings you near the quality of W2AEW. I'm not a ham, though, but always impressed, how you do complicated projects with simple means. I also learnt a bit of Schwizerdütsch, it's obviously very different to German. "auf Zusehen hin" first meant to me that the communication authority first made a visual inspection of your setup, but it just means 'provisional'. Very non-bureaucratic indeed. What technical skills do they need to give the approval on such scarce information? And the term 'allfällig' is also really nice.

@HB9BLA 2 года назад

Indeed, Swiss German has lots of very different words. Many coming also from French: Pneu=Reifen, Trottoir=Gehsteig, Balance=Lenker etc.

@TokkanFX 2 года назад

Great video. A minor point, I would try not to put to much weight on the N-type connector that is on the front of your spectrum analyser. I have seen those become intermittent with a setup like the one you used with the 2W and the 20W attenuators, maybe a support of some sort? You could put some plywood under the spectrum analyser to extend the shelf out and then use some small pieces of wood to supports it.

@einars899 2 года назад

Very valid point! I have repaired more than one instrument/device ( not N-connector though ) where the physical load of connected devices made internal soldering connections go bad. Use a short pigtail if in doubt. If necessary it can in many cases be calibrated to "disappear".

@HB9BLA 2 года назад

You are right, of course! I will not do it anymore. This Siglent is one of my most expensive instruments and I do not want to loose it!

@yassinouakka126 2 года назад

continue👌

@HB9BLA 2 года назад

:-)

@mcconkeyb 2 года назад

...and now I want a spec-an... :-)

@HB9BLA 2 года назад

:-))

@alexmaurer 2 года назад

it was already hard to convince the wife to get the permission to buy this one 🤣🤣🤣🤣🤣🤣🤣🤣🤣🤣

@johanneswerner1140 2 года назад

I guess most of tinkerers and guys or gals with too many hobbies have a caring and understanding wife / husband / significant other. Kishon describes his as "die beste Ehefrau von allen" (the best wife of all)..

@HB9BLA 2 года назад

My wife knew me when she married me. So she usually is not surprised when new packets arrive ;-)