Doing good so far...

Discussion in 'Other technical not related to ADSBx Feeding' started by ktb, Jan 9, 2019.

  1. ktb

    ktb Member

    Well, thanks to the technical assist from our fine Exchange admins, this newbie (new to aviation/ads-b), has managed to give a purpose to an unused vintage Asus Eee-pc running Linux. That little pc now devotes full time to feeding adsb-exchange. Working with the pc, is a V3 rtl-sdr as the "radio" end of things.. Bottom line is that just for the price of the dongle, I have a new and interesting addition to my radio hobby.

    Even the antenna is home-made. It's a "disk", folded dipole design, 1/4 wave ground plane. The disk was cut from a discarded aluminium license plate. Cost... nothing. Antenna is fed with rg-6 75 ohm cable. No filters/pre-amps at this time.

    Station is already "maxed out" because I'm in a temporary rental home with deed restrictions as far as antennas. My disk antenna is hidden in a small tree and is only about 5 meters AGL. The antenna is surrounded by tall homes that really restrict coverage. Even so, I can get 130nm in its best direction. It's all that can be done at this time and I'm happy with it.

    Being a "radioguy", I have some nice future antenna plans for my permanent residence. If I had the proper equipment now (like a service monitor), I'd like to be able to "tweak" the ppm setting on the dongle at 1090mhz. That would probably get me a little bit better coverage further out.

    One last "bug" to fix. At approximately 0000 UTC, the daily exchange "reboot" breaks the feed to exchange from my pc and won't auto-restart. I manually have to reboot my pc to get the feed working again. Other than that, everything's looking good!
     
    Freqman likes this.
  2. James

    James Guest

    You feed direct from the Eee-pc?
     
  3. ktb

    ktb Member

    Yes, I do James. The pc decodes and sends the data directly to ADSBx over wi-fi.
     
  4. James

    James Guest

    Did you fix the not starting post reboot?
     
  5. ktb

    ktb Member

    Not sure James. It had been running 24/7 a few days ago, but I had to restart it yesterday. So I'm not sure if it still fails after your reboot.
     
  6. James

    James Guest

    if it's in a bash script while loop it should reconnect ...
     
  7. ktb

    ktb Member

    Not sure what file would have that script. My dump1090 keeps on running, so that's not the problem. It's just that the connection to feed adsbx stays broken. The I reboot my pc to get it feeding again. I have not modified the folder that your script created in Linux to feed adsbx makes.
     
  8. James

    James Guest

    ok it should have that if you used script method ...

    There is a filed called adsbexchange_netcat-maint.sh

    That has the loop that connects to ADSBx
     
  9. ktb

    ktb Member

    Ok. Well, that should be fine then, I haven't messed with it.