Radio Data System (RDS)

Doesn’t seem like it. Screenshots of Sydney, Illawarra and Canberra RDS RT captured at around the same time below.

Canberra:

Sydney:

Illawarra:

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Which is interesting in that Triple J Canberra on 101.5 has always had a proper “metro” RDS feed with song and program info, which Wollongong doesn’t get.

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105.7 Triple j Sydney has finally restored their RDS RT.
Now sending out RDS Group 0A, 1A, 2A & 4A data.
RDS RT sample:
11:09:51 Now: Hottest 100 of Australian Songs with Ash McGregor & Dave W
11:12:50 Spiderbait - ‘Black Betty’

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No RDS on Nova Brisbane this afternoon.

Incorrect time showing on JJJ Brisbane

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Yeah, this one has been the case for over 18 months.
Not sure what it would take to encourage BAI Comms (Brisbane) to correct that. :thinking:

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Or to just turn it off as its not needed

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Triple J and Classic will have Track Data in capitals due to the RDS Text been taken from DAB

Will see if can fix it on Monday, the RDS Encoder was been a pain in the arse last time I tried to fix it, maybe it has calmed down since :joy:

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But as further above, Classic in Canberra is just running static RT text since the RDS update, the same text as Wollongong is running.

Maybe the DAB decoder failed and they didn’t replace it

It was a BAI project and ABC and SBS RDS is best efforts not a priority as it is not a ABC or SBS requirement

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I just noticed while looking at fmscan.org that Broome Hit, MMM and Goolarri are listed with RDS. However, they aren’t listed with rds on the Australian RDS List spreadsheet. I wonder where they are getting this data from?

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Guessing someone who’s on FMLIST but isn’t on here has been to Broome?

It’s from “floating cars” data, apparently:



Perhaps an automated system with a radio in a car that scans RDS data and uploads to FMList?

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Those PI codes for Hit and MMM are seemingly from Port Hedland, too (6917 and 6941).

I’d love to take a trip to Broome from a purely DX perspective, preferably when the TEP is on to Asia. There was a GlobalTuners node up for many years at Broome; Shanghai FM was picked up at the peak of the solar cycle despite a woeful setup (dodgy discone, lots of noise etc). A TEF+whip would cream it.

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I’ve never heard the term ‘Floating Cars’ pertaining to data collection.

An AI search of the term reveals:-

“Floating Cars” in Data Collection (Traffic Management)

In the realm of traffic management and Intelligent Transport Systems (ITS), “Floating Car Data” (FCD), sometimes referred to as “Floating Cars,” refers to real-time or near real-time traffic information collected from a fleet of moving vehicles. These vehicles act as mobile sensors, transmitting their position, speed, and sometimes other relevant data (like direction) to a central system.

The key aspects of FCD are:

  • Data Source: Vehicles equipped with GPS and communication capabilities (e.g., cellular modems, telematics units).
  • Purpose: To monitor traffic flow, identify congestion, calculate travel times, and provide real-time traffic updates.
  • Advantages: Offers a more dynamic and comprehensive view of traffic conditions compared to traditional fixed sensors (e.g., induction loops). It can cover a wider area and provide data for roads not covered by traditional infrastructure.

I was aware of traffic congestion on roads data being procured from the cellphone data pinging between people’s smartphones & cell towers etc, but not RDS.
Does anyone have any more info about RDS data collection from moving vehicles?
I’d be fascinated to learn more.

I think most of the RDS station data in our RDS Spreadsheet is derived from MediaSpy user observations. Perhaps some holes for NW WA that need filling. :thinking:

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No, but it’d be an amazing addition to Google Maps / Street View, a TEF style tuner that captures a FM wideband snapshot with all RDS data embedded!

(I can hear Daryl Kerrigan telling me… I’m dreaming)

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This is actually already supported by FM-DX-Webserver – where FM bandscans (including RDS data) can be automatically uploaded to FMList from a TEF in a moving car (alongside GPS data). Here’s a guide about it: https://tef.noobish.eu/logos/manuals/TEF_LOGGING_withURDSupload_EnglishVersion.pdf

Link to plug-in:

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Same here.
In my opinion, far north Australia (eg Darwin, Broome, Cairns) is the best spot in Australia to dx. You can get so many interesting catches from Asia. I would pay good money for a properly set up TEF Node in one of those places with a Yagi antenna.

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Clock should now be very close to been correct

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I have been to visit the fabled Hot FM relays in Ouyen and Robinvale, they are both the exact same as each other in terms of RDS and frequency - PI and all. Both had stereo.

It’s worth noting however that the Ouyen relay seemed to have a malfunctioning RT, as all it ever showed was “me of the B”, both in the car and on the TEF. Robinvale was working properly though, showing the same RT as the main TX of “Your home for local sport - Hot FM”.


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Great work!

Does the PS change between HotFM and Hot90.7 on both too? (if so, I wonder why they run both, not just one or the other).

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