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How does servers.fmdx.org show LOGOS & Pictures on FM Receiver???
Posted: Sun Jun 08, 2025 11:25 pm
by teckniqs
Right so I've been really wondering this for a while now so I need to find this out....
On the SDR site many of us here use I have noticed on some of the tuners (not all of them) logos and pictures coming up for some stations and I'd really love to know how the hell it's done??
I noticed on Reading tuner that 107.3 Albumheads the little Rock pirate was showing Karizma 87.8's logo but 87.8 is really weak on there nowhere near strong enough to get RDS. And have seen some other London pirate logos come through like Wk-End's but it doesn't always show.
How is this done please.....

Re: How does servers.fmdx.org show LOGOS & Pictures on FM Receiver???
Posted: Sun Jun 08, 2025 11:26 pm
by teckniqs
Re: How does servers.fmdx.org show LOGOS & Pictures on FM Receiver???
Posted: Sun Jun 08, 2025 11:44 pm
by tvtv
We use the rds id and the logos are maintained, some are hosted on the individual servers, others are used/delivered from the main server I believe
Re: How does servers.fmdx.org show LOGOS & Pictures on FM Receiver???
Posted: Tue Jun 10, 2025 1:38 pm
by ehsanspicedigital
How would one set up a server? Im planning on setting one up in Pakistan... For my own use and monitoring and for others to have a little nosy lol.
Re: How does servers.fmdx.org show LOGOS & Pictures on FM Receiver???
Posted: Wed Jun 11, 2025 12:10 pm
by BriansBrain
OK, I remember....
A couple of years ago this company contacted me - but on my
Radio Brian's email.
They wanted money, I forget how much, and the Station Logo and they would make sure it got into some radios in Cars

Re: How does servers.fmdx.org show LOGOS & Pictures on FM Receiver???
Posted: Thu Jun 12, 2025 10:45 pm
by tvtv
ehsanspicedigital wrote: ↑Tue Jun 10, 2025 1:38 pm
How would one set up a server? Im planning on setting one up in Pakistan... For my own use and monitoring and for others to have a little nosy lol.
All the info is on their website, and support via discord. fmdx.org
[url]
https://fmdx.org/projects/webserver.php[\url]
Re: How does servers.fmdx.org show LOGOS & Pictures on FM Receiver???
Posted: Fri Jun 13, 2025 10:12 am
by radionortheast
Maybe they've got the same pi code, I don't know

have to remember that next time I use that receiver wasn't aware there was something there on 107.3
Re: How does servers.fmdx.org show LOGOS & Pictures on FM Receiver???
Posted: Sun Jun 15, 2025 9:56 pm
by DeepCoder
Licensed stations are in the database hosted by fmdx.org, the other ones are hosted by the server owner with the pi code of the pirate station. it's a big database on fmlist.org of all stations in the world (that we know of)
Re: How does servers.fmdx.org show LOGOS & Pictures on FM Receiver???
Posted: Mon Jun 16, 2025 9:54 am
by radionortheast
Thinking about this it might default to the first station, if it can’t get the logo, thats why the logo for the station on 87.8 shows up.

It must know gps location of the reciever to get the distance in kms, i’m often fasinated by this when i’m tuning through recievers, checking the db reading the power of the transmitter the distance, if its in the area you can compare it to what you get on your own tef.
Re: How does servers.fmdx.org show LOGOS & Pictures on FM Receiver???
Posted: Tue Jun 17, 2025 3:47 am
by tvtv
There are 3 different algorithms that can be selected, slightly different with the intension of serving different regions. Ideally it will find licencesed station with the pi code but also I think it’s using your chosen location in setting to find the most likely tx site based on your location. Quite cool really. You can make your own submission too
Re: How does servers.fmdx.org show LOGOS & Pictures on FM Receiver???
Posted: Tue Jun 17, 2025 11:23 pm
by yellowbeard
After fiddling around on fmdx for a bit, one thing I noticed, them TEF radios are proper nice impressive fuck off tuners. I am going to buy one of them as a treat for myself and not put it online or share it at all!

Re: How does servers.fmdx.org show LOGOS & Pictures on FM Receiver???
Posted: Fri Jun 20, 2025 1:19 am
by DXLondon
its a plugin you install to your server. you download the stations image and rename it to match the stations PI CODE. I will be adding to my servers soon.
Re: How does servers.fmdx.org show LOGOS & Pictures on FM Receiver???
Posted: Tue Jun 24, 2025 3:13 am
by tvtv
yellowbeard wrote: ↑Tue Jun 17, 2025 11:23 pm
After fiddling around on fmdx for a bit, one thing I noticed, them TEF radios are proper nice impressive fuck off tuners. I am going to buy one of them as a treat for myself and not put it online or share it at all!
Share it when you are not using, you can lock it if you need 1 on 1 time