Radio Data System (RDS)

Coast FM Gosford didn’t have any RDS this morning. I imagine @RFBurns will know and be all over it as usual.

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Yes, we’re doing prep changes to the web stream (changing host providers soon), also changing inputs & outputs from the audio processor from analogue to AoIP & a few things have been mucked up, which has affected the RDS encoding, I might have to turn off RDS until I get it sorted, it’s still running at the moment but is corrupted.

My Mod monitoring is also showing the signal is way over deviating, there’s no stereo pilot & no RDS sub carriers, even though all are still being generated.

When we get it all sorted (in a few weeks hopefully) we’ll have RT+ with song title & artist on the RDS & web stream too.

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Finally, in what must be well over 12 months, 2SBS Sydney 97.7 have finally resolved their ‘stuck’ RDS RT issue & implemented some other improvements.

PI code has been changed to standardized 297C & implemented PTYN feature.
PTYN shows as: Culture
PTY changed to: Cultures (Code 7)
Changed RT messages.
Unfortunately they still have CT issues.

Also noted that their RDS injection level (RDS subcarrier) has been reduced a little.

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I’ve noted that they are now using alternating text for the station name - switches between SBS and Radio same as Melbourne (previously it was SBSRadio as static text, which i preferred).

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I’ve been away past 7 hours. Was static PS when I left & static now.
Perhaps a tech was experimenting early this afternoon with Dynamic PS as you describe at the time of your post?
I’ll keep an eye on it.

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It was yesterday when I saw the Dynamic PS, so maybe they’ve changed it back, which is good.

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104.5 Star FM Central Coast have made some recent changes to their RDS output.

Summary:

  1. Removed PTYN of STAR1045, but the group 10A codes still being output…
  2. TP flag removed
  3. Group 4A code for CT removed

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Managed to procure 93.3 Radio 50 Plus’s PI code thanks to some aircraft scatter.

2SNR-PI-CodeJ

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Cannot get a decode on Radio 50+ or Rhema CC at my location, even if I leave the tuner on overnight. Will have to wait to spring for some tropo.

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I have the “Enable Super PI detector” checked on RDS Spy, it helps to snatch a PI code, even when all Group Codes are corrupted. I couldn’t decode any Group Codes so there was no chance of gaining any further RDS info.
I think it was a combo of sunrise signal enhancement & aircraft scatter that enabled the PI code detection. Radio 50+'s RDS carrier might also be on the low level side.

Yeah probably we need to wait for return of Spring/Summer tropo on the coast to decode it properly. Might be a slight tropo enhancement tomorrow evening…

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RDS has been installed at 2BBB Bellingen. As per the pics, it hasn’t been set up properly as yet. It’s only on the 107.3 transmission, not the 93.3 transmission.


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That’s great news, hopefully 93.3 will be added down the track, 107.3’s coverage isn’t as good as 93.3.

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107.3 only exists, more or less, to feed the Dorrigo translator off air. I’m not sure of any other setups where the translator is more powerful than the main service.

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Would it not be possible to feed the RDS from 107.3 to 93.3 immediately? The XL-FM translators do this.