Decoding Orbcomm Satellite Transmissions Using Software Defined Radio
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- čas přidán 7. 09. 2024
- Here we take a look at the Orbcomm satellites and how to decode them using Software Defined Radio.
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#TechMinds #SDR #Orbcomm
Tech Minds is one of my favorite CZcams channels.
this intro always calms and captivates me :)
Thanks for the recognition, really like the video.
His also support wind farm control and feed back?. Often wondered what the dish was pointing at on these sights..
These satellites are easily to decode ( the unencrypted data) with the time limited section of the software MULTIPSK I use my quadrifilar helix antenna I use for the weather sats. With an sdr receiver you will see the signals increase in frequency as they approach you and decrease in frequency as they move away before fading out. The higher the overhead pass the greater the dopler shift. However the readable data is .....pretty much the same on all the decodes so its just an exercise in acquiring the signal to prove you can
I've has nothing but bad experiences trying to receive and decode VHF satellites. my location doesn't give me a great view skyward, and when things get warmer I plan on taking some gear out to where it is more open. I've seen folks use some very modest gear and get great results, it's just something with me for some reason. LOL.
Thanks for this video it was very interesting!
I've been wondering what these signals are as well. Thanks for letting us know.
I have worked on navigating using iridium next signals and rtlsdr. Based on doppler shift. Its quite interesting in case of gnss blackout.
explain pleasee
A discone antenna works for me. I use MultiPSK quite capable of decoding Orbcomm (and plotting the satellites).
What part of Multipsk do you use please ?
@@ralphthebrick MultiPSK : In the right box with a list of decoders, there is (from top to bottom) :
ACARS(VHF) -Synop/Ship - Coquelet-NWR (same) - GMDSS/ATIS - ARGOS - ORBCOMM - LMS6-C4FM - DMR - LRPT. Its a licensed version I dont know if Orbcomm is part of the free version. Hope it helps.
@@ralphthebrick There is an "ORBCOMM" mode directly in MultiPSK: www.dropbox.com/s/n0oqjx9msnujn5c/orbcomm-multipsk.png?raw=1
@@scottchapman4025 Found it thank you. Used to hate Multipsk but now we have SDR I love it. Another mode to play about with. Cheers Scott and thanks Matt 👍
Always enjoy your videos bro. I'm at a loss as what to do next with my RSP1A now. I love space, but get bored of the NOAA stuff quickly. All I do now is listen to mil air.... I need some inspiration regarding satellites and what my sdr can do.
Have you experimented with Inmarsat? I have some videos on it. :)
@@TechMindsOfficial I've not touched it yet, but when I saw in one video of yours regarding the L band patch antenna (drain pipe Vs dish) I was surprised how cheap the antenna is.I wasn't aware Inmarsat was a geostationary sat, which would make it a lot more fun to play with and decode. I like the look of Jareo too. Inmarsat looks fun :)
Thanks for the information!
Have a Happy New Year!
4:29 there is noaa15
Lol
That's awesome! I always wondered what those were.
Have you ever considered looking into the earthview satellites?
That sounds interesting, or do you mean the NOAA or Meteor sats?
@@TechMindsOfficial oh no, I have a setup for that already.
The earthview if I remember right, are the ones Google Earth and the gov. Get stuff from. It will probably be in vain, they may be encrypted or whatever.
Thanks for your videos, great information!
Super!
I use Multipsk to decode orbcomm, pity we cannot get more info in the decode.
Mad i was wondering the same thing ... cheers ....
happy New Year
3:45 What is downloading from epic games? just curious :)
Is that a noaa satellite 🛰 I see at 4:23?
👏👏👏
HNY Matt 👍👏👏
best wishes
Circular polarization?
Very cool, thanks.