Help Required Radio VINCI Autoroutes 107,7 (possibly 33°E)

[Adam792]

Somebody was talking to me about this one recently. Apparently the motorway information station on 107.7 FM on the part of the French motorway network run by VINCI is satellite fed. There are dishes on the roadside transmitters that look to be pointing to somewhere around 30°E.

I guessed 33°E as a contender as France tends to favour Eutelsat birds for backhaul feeds, plus 33E is already used for terrestrial transmitter feeding in Bulgaria and Poland.

Just wondering if anyone who has Crazyscan or anything similar set up has noticed anything with a very low symbol rate on or around 33°E? Could of course be DVB-IP data like the Spanish and Portuguese stations on 30°W, I’m just curious.

Thanks!

 

[Channel Hopper]

Somebody was talking to me about this one recently. Apparently the motorway information station on 107.7 FM on the part of the French motorway network run by VINCI is satellite fed. There are dishes on the roadside transmitters that look to be pointing to somewhere around 30°E.

I guessed 33°E as a contender as France tends to favour Eutelsat birds for backhaul feeds, plus 33E is already used for terrestrial transmitter feeding in Bulgaria and Poland.

Just wondering if anyone who has Crazyscan or anything similar set up has noticed anything with a very low symbol rate on or around 33°E? Could of course be DVB-IP data like the Spanish and Portuguese stations on 30°W, I’m just curious.

Thanks!

Radio Vinci Autoroutes

Radio Vinci Autoroutes est la première radio autoroutière de France, de par la taille de sa zone d'émission. Elle est également la radio autoroutière la plus importante d'Europe. Elle équipe le réseau du groupe Vinci (Arcour, ASF, Cofiroute et Escota), également le premier groupe autoroutier...

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• The transmitters along the ASF network receive the program by satellite, they can be subject to cuts in the event of extremely degraded weather.
• For information, the transmitters are located in the green cabins at the foot of the pylons.

 

[Channel Hopper]

Those towers may be tied in to receive data from the GPS / Galileo birds, which would make sense considering they sway in the wind.

Avantech was playing with FM delivery of traffic management some years back (vio ?)

 

[Channel Hopper]

Orange

 

[Stevenvc19]

I've done some research (looking to dishpointer and google street view images) and I also guess they use the 33° (or 36° but seems unlikely) eutelsat. It is almost impossible to see exactly.
I don't have the right equipment to analyse the spectrum on this satellite.
If the program is transmitted by satellite (which is) it should be possible to receive on our domestic dishes... It's just a matter of finding the right transponder and demodulation techniques?

 

[rodscha]

and each region gets a different version of the traffic news,since when you re in Rouen,you don t need info on Marseille's traffic jams.
When you reach a zone limit the prog is often jammed for a few kms (2 versions of the program jamming each other) especially if it s hilly on the road.
So,no such system in other countries? I m surprised!
Good thing is,it carries 15-20 kms off the motorway,so you know about jams BEFORE you re stuck within the toll gate system!Then,you can opt for the free highway!(A-road?)

 

[satesco]

There is no radio stream at 33.0E. At least I couldn't find it on any mux
I hope someone else has better luck.

 

[EnoSat]

It doesn't have to be DVB-S, it can be DVB-MPE or DVB-IP or ...

 

[Adam792]

Any transponder would only need to be able to carry a payload of 1-2Mbps (depending on the bitrates used) with 6 or 7 versions of VINCI Autoroutes 107,7 being transmitted, so the symbol rate is likely to be pretty low.

They could well be DVB-IP!

 

[satesco]

I did a more thorough scan at 33.1E with Crazyscan,EBSpro and IQmonitor apps. No sign of mux with low symbol rate and DVB-IP stream feed.

 

[EnoSat]

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Une expérimentation pour filmer, à l'aide de drones, les bouchons de la vallée du Rhône, est testée vendredi, premier jour du grand weekend de chassé-croisé sur les routes des vacances. La société Vinci Autoroutes va...

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[Adam792]

I did a more thorough scan at 33.1E with Crazyscan,EBSpro and IQmonitor apps. No sign of mux with low symbol rate and DVB-IP stream feed.

Interesting scan, thank you! My best guess would be it could be one of those relatively low SR muxes between 11066 and 11140 V.

 

[satesco]

Interesting scan, thank you! My best guess would be it could be one of those relatively low SR muxes between 11066 and 11140 V.

It was precisely in this part of the band(10950-11200 V) that I scanned in particular with IQmonitor, knowing that in past years I found such muxex with low symbol rate. This time, as I said before, I did not find this transponder
I hope to be disproved by other users.

 

[satesco]

.. My best guess would be it could be one of those relatively low SR muxes between 11066 and 11140 V.

I finally found a mux,11153 V,952 Ks with IQmonitor,but with a question mark, but no stream.

 

[Channel Hopper]

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[Adam792]

I finally found a mux,11153 V,952 Ks with IQmonitor,but with a question mark, but no stream.

Ahh that's a pity, so no TS data receivable from that mux?

What's on 11141 V 2500 QPSK 3/5? It's listed on Flysat as 'AOL' so maybe nothing, but it seems quite narrow bandwidth.

 

[satesco]

Ahh that's a pity, so no TS data receivable from that mux?

What's on 11141 V 2500 QPSK 3/5? It's listed on Flysat as 'AOL' so maybe nothing, but it seems quite narrow bandwidth.

Indeed, on 11140 V we have an AOL. I checked other pids but it doesn't take me anywhere.
As an aside, I'm usually looking for such "truffle" like you, but I assure you if they were on this satellite I would have reported it. That doesn't mean they can't be discovered as long as you have better tools. Maybe in this case there are enough dvb apps that we use as usual.
Of all, IQmonitor also looks for subliminal signals and sometimes finds them and in some cases lock them. But that can't help us if the settings the broadcaster makes are not hidden or encoded. Of course it's a fanciful hypothesis.
I wonder, how do you know for sure that on this satellite is broadcasting Radio Vinci?
Ok, I'll be more careful from now on when I visit this position.

 

[Adam792]

Indeed, on 11140 V we have an AOL. I checked other pids but it doesn't take me anywhere.
As an aside, I'm usually looking for such "truffle" like you, but I assure you if they were on this satellite I would have reported it. That doesn't mean they can't be discovered as long as you have better tools. Maybe in this case there are enough dvb apps that we use as usual.
Of all, IQmonitor also looks for subliminal signals and sometimes finds them and in some cases lock them. But that can't help us if the settings the broadcaster makes are not hidden or encoded. Of course it's a fanciful hypothesis.
I wonder, how do you know for sure that on this satellite is broadcasting Radio Vinci?
Ok, I'll be more careful from now on when I visit this position.

It's just a guess, but the dishes seen on the towers at the side of the French autoroutes where Vinci 107,7 is transmitted seem to be pointing in the direction of 33°E or something very close by - as shown by @Stevenvc19 's images above.

Thinking 33°E rather than the surrounding satellites as it's a (French) Eutelsat satellite, which they tend to use for distribution there. 36°E is also possible (Eurasian beam), but the coverage seems too wide for it to be preferred over 33°E for distribution of a low bandwidth service just to France.

 

[Stevenvc19]

I wrote a little private message to the facebook account of Radio Vinci for some inquiries about the technical aspect to distribute their program from sat feed to terrestrial transmitter.
I have very low expectations about if and what their reaction will be, but at least i've asked :-)
I would enjoy it to be able to receive their sat feed.

I don't know about SANEF 107.7 and Autoroute FM 107.7. It looks like they don't use sat feeds for their terrestrial network but i'm not sure about that.

 

[Channel Hopper]

A bit - actually a lot - about the company.

Vinci, Company Profile - Corporate Watch