Oh, It is for Almalogic!
I thought it is for RPi, as I downloaded latest image for my RPi Model4B.
Anyway it is not a critical issue, so let us forget about it
What is the output of following command
cat /etc/apt/sources.list.d/rb24.list
I get this output:
deb https://apt.rb24.com/ bookworm main
As I told you before, rbfedeer has not been installed and the service is not active, so I get no results with that instruction:
luis@armbian:~$ cat /etc/apt/sources.list.d/rb24.list
cat: /etc/apt/sources.list.d/rb24.list: No such file or directory
luis@armbian:~$
Try this:
(1) Create a new blank file by following command
sudo nano /etc/apt/sources.list.d/rb24.list
(2) In the blank file created, copy-paste following
deb https://apt.rb24.com/ bookworm main
(3) Save file
(4) Update apt
sudo apt update
(5) Install rbfeeder
sudo apt install rbfeeder
Ok, it is already created and launched, but now I get the issue of some dependencies that it cannot install but it turns out that they are already installed.
luis@armbian:~$ sudo apt install rbfeeder
Reading package lists… Done
Building dependency tree… Done
Reading state information… Done
Some packages could not be installed. This may mean that you have
requested an impossible situation or if you are using the unstable
distribution that some required packages have not yet been created
or been moved out of Incoming.
The following information may help to resolve the situation:
The following packages have unmet dependencies:
rbfeeder : Depends: librtlsdr0 (>= 0.6.0) but it is not installable
E: Unable to correct problems, you have held broken packages.
luis@armbian:~$
Following command is solves the dependency issue in most of such situations:
sudo apt --fix-broken install
luis@armbian:~$ sudo apt --fix-broken install
[sudo] password for luis:
Reading package lists… Done
Building dependency tree… Done
Reading state information… Done
0 upgraded, 0 newly installed, 0 to remove and 12 not upgraded.
luis@armbian:~$
Seems RB24, FR24, and PF makes their feeders specifically for Debian and not for Ubuntu
Why dont you use these Debian based OS?
I’m going to download the software you recommended and start over. It’s fun, hahaha. What I don’t like is bothering you with my questions, but at the same time I’m learning more about Linux and ADS-B. When I’m done, I’ll let you know. Possibly tomorrow.
Did a Debian Package Search for Bookworm. Debian has this package for bookworm.
Downloaded it directly on RPI using wget command given below, then installed it, and then installed rbfeeder
wget http://http.us.debian.org/debian/pool/main/r/rtl-sdr/librtlsdr0_0.6.0-4_arm64.deb
sudo dpkg -i librtlsdr0_0.6.0-4_arm64.deb
sudo apt update
sudo apt install rbfeeder
sudo rbfeeder setkey <my rb24 key>
sudo systemctl restart rbfeeder
sudo systemctl status rbfeeder
Click on Screenshot to see Larger Size
Great, I was able to install rbfeeder with that link, but mlat won’t let me because I have Python version 3.12, and mlat works with version 9, if I remember correctly. I don’t know if I’ll be able to downgrade to version 9 without it automatically updating when I upgrade to version 3.12 again. Any solution?
Installing mlat-client is no more required. In current version of rbfeeder as is built into rbfeeder.
I tried the Amlogic image you suggested, but I don’t think it fits my device. It doesn’t have the boot file that automatically boots the operating system, so it gets stuck without starting. I would have liked to try it since it has a desktop and the one I have now is a server.
At the moment, all three feeders are working, although I have doubts about whether rbfeeder is sending Mlat data. Despite indicating that it’s active, it doesn’t sync with any stations at any time. A while ago, when I had it installed with another distribution, it did sync with several stations. You told me that I don’t need to install anything for Mlat since it’s included in rbfeeder, but I do have that doubt. By the way, @abcd567, Airnav has excellent coverage. Let me know if you use an LNA and what antenna you have.
If you are referring to site EXTRPI000036, then
No LNA, only FA ProStic Plus (blue) + FA 1090 Filter
Antenna is DIY V-Stub, located indoors adjuscent to a large window. The height helps me as I live in an apatment, several floors above ground, in a high-rise building.
Sorry for not responding these past few days. I’ve been pretty busy with work. I have to report that the system seems to be working correctly now with Piaware, Fr24feed, and rbfeeder, using dump1090-fa. The truth is that the coverage of your station EXTRPI000036 is amazing, which is almost the same as the coverage of my country, Spain. I can cover a maximum of 200 km, especially in mountainous areas around my perimeter, but I also think I need an LNA. I’m using an RTL-SDR with a gain of 49.6, which is the maximum. When I look at the coverage of other Spanish stations, mine is very low in comparison. The antenna is outside on the roof, and there are hardly any buildings blocking my view. It’s a homemade antenna with RG cable glands. I saw a tutorial on how to make it. It’s tuned to 1090, but I don’t know what gain it gives me. The drop cable is RG59 and will be about 13 meters long. What I don’t want is to waste money on just any LNA and get almost no results, so I don’t know which one to buy. If you want to see my station on Airnav, it’s Linares - Spain Station - AirNav Radar - Global Flight Tracking Intelligence | Live Flight Tracker and Airport Status . I’ll keep it active for a few more days because I mainly use the RTL-SDR to receive NOAA and Meteor weather satellites. I’d like you to tell me more about the V-Stub antenna, about whether it gives good results compared to a Coco antenna with canutillos like mine, because for a room like yours, the coverage is brutal. Regards.
It is amazing because of:
Most likely you need a LNA
CoCo antenna’s performance depends on accuracy; (1) determining accurate length of pieces based on using accurate Velocity Factor, and (2) accuracy in workmanship.
Only few lucky DIY Coco makers get good performing Coco. Most makers of Coco end up in poor or moderate performing Coco. Since they do not compare it with other antennas, they believe it is good even when it is just moderate.
The V-Stub requires an instrument for tuning it’s VSWR. I have used “RF Vector Impedance Analyser N1201SA” for this purpose. If you do not have such instrument, then better try Spider antenna, which is naturally tuned, and does not require a tuning instrument. An easy to make version is Quick Spider
Click on Photo to See Larger Size
I have a NanoVNA, and I’ve used it to calibrate some of my antennas. I imagine it could be useful for finding the best SWR ratio for the antenna. The problem I find with the V-Stub antenna is its physical stability outdoors, unless it’s made with a conductor of a good diameter to prevent deformation. Which antenna do you really think gives better performance? The V-Stub antenna or the Spider? Regardless of the complexity of its adjustment.
The V-Stub when tuned for best SWR gives better performance than Spider. However when I conducted side by side test, the improvement is not that much as shown by simulation results.
I suggest instead of using DIY antenna use a professionally made commercial antenna such as following models of Vinnant:
I have not used these, but others who have used Vinnant antena have given good opinion about it.
Yes I can recommend the Vinnant antennas, I hav both the CC1090/8-P and the CC1090/PEL in my setups and they are certainly very good value for money. If I had the space available I would have bought the CC1090/11-PEL as well but it is to tall for my location 
I have in total 8 Vinnant antennas, they are reasonably priced and the maker is very friendly and helpfull.
The 8-P will ship to almost any country, the 9-PEL and 11-PEL are larger so they have some restrictions in shipping.
