Decoding Orbcomm Satellite Transmissions Using Software Defined Radio

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Here we take a look at the Orbcomm satellites and how to decode them using Software Defined Radio.
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Опубликовано:

27 сен 2024

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Комментарии : 38

@gliderpilot8882 2 года назад

Tech Minds is one of my favorite RU-vid channels.

@sirac19 3 года назад

this intro always calms and captivates me :)

@bnaivar Год назад

I've been wondering what these signals are as well. Thanks for letting us know.

@florentleider222 3 года назад

A discone antenna works for me. I use MultiPSK quite capable of decoding Orbcomm (and plotting the satellites).

@ralphthebrick 3 года назад

What part of Multipsk do you use please ?

@florentleider222 3 года назад

@@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.

@scottchapman4025 3 года назад

@@ralphthebrick There is an "ORBCOMM" mode directly in MultiPSK: www.dropbox.com/s/n0oqjx9msnujn5c/orbcomm-multipsk.png?raw=1

@ralphthebrick 3 года назад

@@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 👍

@radiotowers1159 3 года назад

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

@AlFrosty 3 года назад

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.

@TechMindsOfficial 3 года назад

Have you experimented with Inmarsat? I have some videos on it. :)

@AlFrosty 3 года назад

@@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 :)

@king_wing34 3 года назад

4:29 there is noaa15

@northamericanpichu 2 года назад

Lol

@KeiranR 3 года назад

Mad i was wondering the same thing ... cheers ....

@KonstantinSDR 3 года назад

Super!

@annierenard5954 3 года назад

happy New Year

@Martinpacker 3 года назад

I use Multipsk to decode orbcomm, pity we cannot get more info in the decode.

@handyandy4x4 4 месяца назад

His also support wind farm control and feed back?. Often wondered what the dish was pointing at on these sights..

@SenpaiSkyy 3 года назад

Is that a noaa satellite 🛰 I see at 4:23?

@markg6jvy135 3 года назад

HNY Matt 👍👏👏

@orca984 10 месяцев назад

👏👏👏

@sirac19 3 года назад

3:45 What is downloading from epic games? just curious :)

@mscir 3 года назад

Very cool, thanks.

@GeorgeLiquor 3 года назад

Circular polarization?

@vanibh93 3 года назад

I have worked on navigating using iridium next signals and rtlsdr. Based on doppler shift. Its quite interesting in case of gnss blackout.

@techtheguy5180 3 года назад

explain pleasee

@IOTConnect 3 года назад

Thanks for the recognition, really like the video.

@JakeTheN3rd 3 года назад

That's awesome! I always wondered what those were. Have you ever considered looking into the earthview satellites?

@TechMindsOfficial 3 года назад

That sounds interesting, or do you mean the NOAA or Meteor sats?

@JakeTheN3rd 3 года назад

@@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!

@stridermt2k 3 года назад

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!