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Type: Posts; User: matysldn

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  1. Thread: best antenna

    by matysldn
    Replies
    2,846
    Views
    4,009,872

    You may find this helpful with building any type...

    You may find this helpful with building any type of antenna.
    There is a lot theory about VHF/UHF antennas:

    http://www.tigereye.net.au/vk4ion/docs/VHF_UHF_antennas.pdf

    Edit:
    And there also:...
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    Run this command and have look what is actually...

    Run this command and have look what is actually happening on your RasPi
  3. Replies
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    1,141

    Sometimes moving antenna just as little as 1/4 or...

    Sometimes moving antenna just as little as 1/4 or 1/2 wavelength will make difference(in good or bad way).
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    What kind of Bias-T did you use in these configs?...

    What kind of Bias-T did you use in these configs? I can see lots of similar-looking on eBay for a really low price but they are like 10-6000MHz? Good thing is that most of them need 5v which can be...
  5. Looks like a problem with SSL certificate but...

    Looks like a problem with SSL certificate but that is unusual... Are you sure you not connecting from behind any specific DNS or VPN?

    You saying that receiver isn't found? Maybe you should start...
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    You are living at the end of the world so...

    You are living at the end of the world so everything will take some time to arrive ;) You better wait and order Pro stick plus otherwise you will end up with $53 plus $24 and still not sure if...
  7. Sticky: Looks like a folder where scrip was getting...

    Looks like a folder where scrip was getting packages doesn't exist anymore. Bad luck. I don't know if that was removed by ovner or just a mistake..
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    I've got Chinese from aliexpres for let than 6...

    I've got Chinese from aliexpres for let than 6 dollars, reasonably good, especially for that price. Look at my stats above. Obviously you can't compare this to Pro Stick Plus, but for beginning why...
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    I'm using RasPi 2 B v1.1 which is older than...

    I'm using RasPi 2 B v1.1 which is older than yours, you're on RasPi 3 right?
    I got gain set to -10 (auto gain) with homemade antenna and cheap dongle from China, I'm thinking of upgrading my...
  10. Replies
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    That's a really good point. It depends on how...

    That's a really good point. It depends on how much traffic you expect to have. More traffic, more messages then more CPU usage and higher temperatures.

    11077

    CPU usage and messages related to...
  11. Thread: best antenna

    by matysldn
    Replies
    2,846
    Views
    4,009,872

    Thanks. You sound like you are living in the same...

    Thanks. You sound like you are living in the same building as me ;)
    I've got 8m to the roof and there will be a great location, but no way I will get access to it and instal an antenna.
    I'm trying...
  12. Thread: best antenna

    by matysldn
    Replies
    2,846
    Views
    4,009,872

    abcd567 At the moment I built my hardware and...

    abcd567
    At the moment I built my hardware and software based on your posts. This is how it looks like:
    Picture no: 1 - Antenna, dipole 68mm arm, sorry for lack of focus.
    Picture no: 2 - RasPi...
  13. Replies
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    RasPi doesn't really matter(as much), what matter...

    RasPi doesn't really matter(as much), what matter most is your receiver and antenna. I would say that You rather spent more money on good dongle or/and antenna than on RasPi.
    RasPi 4 getting hot...
  14. Thread: best antenna

    by matysldn
    Replies
    2,846
    Views
    4,009,872

    Im not too sure if that was posted here but Im...

    Im not too sure if that was posted here but Im finding very useful antenna calculators on that web site. Looks like the owner of this website was(is) involved in 1090Mhz aswell...
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    Ok cool, thanks for the explanation. I'm waiting...

    Ok cool, thanks for the explanation. I'm waiting for second dongle to arrive and then will test both 1090fa and 1.15 on the same antenna and location, let's see what I will get.
  16. Replies
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    Is dump1090-fa better than v1.15 dev? I've seen...

    Is dump1090-fa better than v1.15 dev?
    I've seen lots of images and people usually getting the highest rate of messages on 1090-fa compare to 1.15? Or People using 1090-fa are using also better kit...
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    As you have noticed you will have to have...

    As you have noticed you will have to have external USB port hub with external power suply and the reason is:
    11061
  18. Before you start doing anything with your RasPi,...

    Before you start doing anything with your RasPi, if I was you, I will go and check CPU utilisation on your RasPi.
    Maybe you have a task which keeps crashing or freezing and using too much CPU and...
  19. Sticky: That explains everything. According to...

    That explains everything.

    According to FlightAware - MLAT reported:
    v1.14 - 9500 positions per day,
    v1.15 update 24000 positions per day!
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    What you may need to do is think a bit different...

    What you may need to do is think a bit different way... what devices need good 5v or more ?? - new smartphones right? Which devices charging new smartphones at good rate from 12v source? Car fast...
  21. Sticky: 3 days ago I've updated from 1.14 to v1.15 and it...

    3 days ago I've updated from 1.14 to v1.15 and it was super easy, thanks to abcd567
    I'm using a simple decoder with RTL2832U + R820T2 on board and simple dipole antenna with two 6.8cm arms (thanks...
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