New Raspberry Pi available - Pi 4

indeed 20 vs 12 MHz…

I did try that combo install but no joy bramjacobse
i started with stretch first no luck gonna wait now i cannot do stress hehe
john

For the Pi4 you have to use Buster.

sudo apt update
sudo apt install rpi-update
sudo apt dist-upgrade
sudo rpi-update

Say yes to the warning the last command has to offer.
It will give you the newest kernel.

Then rtl-sdr as well as airspy mini should work fine.

Pi4 stretch…?:woozy_face:

Just to clarify rtl-sdr and airspy
but not dump1090-fa
regards john

dump1090-fa uses the rtl-sdr library to talk to the dongle.
rtl-sdr had a problem working and accordingly dump1090-fa didn’t work with dongles.

dump1090-fa itself without using a dongle was always working fine on the pi4. (net-only mode)

(don’t even know if the airspy ever didn’t work, but we know it’s working now)

Ok thanks
i see dump1090-fa is showing in top ssh list but not working dongle testing airspy after midnight tonight

Did you do the rpi-update?
Show:

sudo journalctl -eu dump1090-fa
uname -r
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– Logs begin at Tue 2019-07-16 19:56:42 BST, end at Tue 2019-07-16 20:30:23 BST. –
Jul 16 19:56:57 raspberrypi systemd[1]: Started dump1090 ADS-B receiver (FlightAware customization).
Jul 16 19:56:57 raspberrypi dump1090-fa[546]: Tue Jul 16 19:56:57 2019 BST dump1090-fa 3.7.1 starting u
Jul 16 19:56:57 raspberrypi dump1090-fa[546]: Net-only mode, no SDR device or file open.

4.19.58-v7l+

So if you have run airspy-conf, it’s not gonna run with a normal dongle.
Airspy-conf changes the configuration for it to work with the airspy.

There is even an uninstall for airspy-conf if you scroll all the way down:
GitHub - wiedehopf/airspy-conf: Configure airspy_adsb for use with readsb or piaware.

It should revert you to the normal dump1090-fa configuration you had before.

Enabled -20 and rebooted, message rate seems to go up…

2 Likes

not run airspy conf yet its in loft running i will do swap later tonight see if all runs smooth

Well you have set it to net-only mode.
If you did that manually you shouldn’t be surprised it’s not working with an rtl-sdr dongle.

You are not really saying what exactly you are trying to do.

Maybe use some punctuation or just press Enter to separate the point you’re making :slight_smile:

Ok im going to test out pi4 with airspy
airspy dongle currently running on pi3 in loft
would like the option of dump1090-fa after testing (uninstall airspy.conf)
i will test pi4 with airspy tonight midnight so i loose the least amount of data
and test -12 and -20 tomorrow and compare data through the day
basically looking to improve my data input

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So you didn’t try to use a rtl-sdr dongle?
I’m still a little confused by the net-only mode you had set.

(I normally call only the rtl-sdr dongles dongle. And just call the airspy an airspy, even if it’s technically also a dongle :wink: )

If you are using an airspy, net-only mode is correct for dump1090-fa.
But you also have to have airspy_adsb running to feed data into dump1090-fa, otherwise it’s not useful.

dump1090-fa can’t use the airspy by itself.

airspy-conf takes care of running airspy_adsb as well.

i followed ins above inc airspy conf
i couldnt get serveral dongles to work
i see dump1090-fa in ssh list also airspy-adsb running
but no dongles run
i do have map up no error message or aircraft
airspy-adsb not currently running

The airpsy isn’t running?

Or are you trying to use rtl-sdr dongles?

They don’t work with the same settings.
Once you change dump1090-fa to net-only mode, rtl-sdr dongles are not gonna work.

If airspy_adsb should be running but isn’t, you can check that log as well:

sudo journalctl -eu airspy_adsb

Jul 16 21:12:42 raspberrypi airspy_adsb[401]: airspy_open() failed: AIRSPY_ERROR_NOT_FOUND (-5)

Correct ive not started airspy-adsb yet
commands correct ?

airspy_adsb

/etc/default/airspy_adsb

sudo systemctl restart airspy_adsb dump1090-fa

sudo nano airspy_adsb

systemctl status airspy_adsb

I’d heavily advise you to use the automatic setup.
That command is written nowhere in the howto and doesn’t make any sense.

The log shows you’ve set up airspy_adsb as a service.
If that is the case, you don’t need to start it manually.

The service is complaining the Airspy is not plugged in.

pi@raspberrypi:/etc/default $ systemctl status airspy_adsb
● airspy_adsb.service - Airspy ADS-B receiver
Loaded: loaded (/lib/systemd/system/airspy_adsb.service; enabled; vendor preset: enabled)
Active: active (running) since Tue 2019-07-16 21:23:35 BST; 1min 1s ago
Docs: Last Flight for Independence Air - IDE1777
Main PID: 5911 (airspy_adsb)
Tasks: 1 (limit: 4915)
Memory: 724.0K
CGroup: /system.slice/airspy_adsb.service
└─5911 /usr/local/bin/airspy_adsb -v -f 1 -l 47806:asavr -l 47787:beast -c localhost:30004:be

Jul 16 21:24:27 raspberrypi airspy_adsb[5911]: airspy_open() failed: AIRSPY_ERROR_NOT_FOUND (-5)

so this above is correct not plugged in good
i will plug in shortly
thankfor your help so far
never used punctuation im only 60 really not good i know sorry

regards
john