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[wiedehopf]

So i'm not sure exactly what is going on but it seems some update is creating issues.

I'm a fan of not starting the decoder from fr24feed...

[wiedehopf]

If you like your local map, consider going to tar1090/readsb as described here: https://github.com/wiedehopf/adsb-wi...te:-ADS-B-rece...

[wiedehopf]

It still says receiver connected so rtl_test won't work without first doing sudo systemctl stop fr24feeed

Well you can always check the configuration,...

[wiedehopf]

While the fr24feed works on its own the logging is bad so it's hard to debug.

I'd recommend installing readsb: https://github.com/wiedeh...

[wiedehopf]

Install these two then you have a signal graph to show us
https://github.com/wiedehopf/adsb-sc...ion-for-readsb
https://github.com/wie...

[wiedehopf]

It's much more likely you have the gain too high resulting in overload for close by aircraft and it's not the donut effect.

Get yourself...

[wiedehopf]

Yeah you didn't set the location in the readsb configuration.
It's mentioned for the readsb install you used.

[wiedehopf]

You should have a page at http://192.168.0.14/dump1090 but it's a rather outdated interface.

I'd recommend following these steps to get yourself...

[wiedehopf]

The genuine NESDR Smartee has no such caveat.

That not recommended for ADS-B sounds like you bought a counterfeit item.
Just for reference,...

[wiedehopf]

Sounds like you have internet issues then.
Try a reboot first ...

If that doesn't help ... if you have the IP manually configured maybe...

[wiedehopf]

It won't upload data for an aircraft unless it is receiving a certain minimum amount of data from it.

On the radiator isn't as good as on...

[wiedehopf]

Open your own thread as this gets too complicated eventually with multiple people having an issue.
While the issue might seem similar to you ......

[wiedehopf]

No fr24feed should keep running just fine.

Just run it and then set the location as explained on the page.
You also should check the...

[wiedehopf]

Yeah that line will just install tar1090 but it won't have all the details because you're running some old dump1090.

I was referring to this:...

[wiedehopf]

After you use the Automatic install for readsb which i recommended (https://github.com/wiedehopf/adsb-wi...ADS-B-receiver)...

[wiedehopf]

sudo apt purge fr24feed
That should remove it.

The issues with apt point to a whole different problem with the system that may stem...

[wiedehopf]

RPi4 is in my opinion the better option (the version doesn't matter they are all more than capable enough).
While the RPi zero can run a decoder...

[wiedehopf]

The antennas you describe are not made / tuned for 1090 MHz and probably your coax is also very lossy at 1090 MHz.
Direct view of the ocean from...

[wiedehopf]

Best start with a fresh image
https://github.com/wiedehopf/adsb-wi...ADS-B-receiver

Anyhow this should be a...