You are looking for :

Géodata Diffusion, operator of GNSS Orphéon services, can be reached by telephone, fax, email and post. He answers you, brings you solutions in real time, and guides you step by step.


Frequently Asked Questions


You will find on the Frequently Asked Questions page the answers to the most common questions about the practical use of Orpheon, its operation, its infrastructure. To always provide more answers to our subscribers in the field, the FAQ evolves and is regularly enriched with new answers.

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Contact technical information


Level 1 Technical Support :

Provided by your distributor

Direct technical support is provided by your distributor, reseller or equipment installer.
He will check with you the correct configuration and settings of your equipment to ensure optimum connection and performance.
If there are any issues, they will diagnose with you and take care of your equipment if it needs repair.
If issues are not resolved at this level and the hardware being used is not the cause, the distributor will escalate to Level 2 Technical Support.

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To answer your questions or for a demonstration accompanied by expert advice.


Level 2 Technical Support :

Provided by Geodata Diffusion

This technical assistance, dedicated to distributors, resellers or installers, is carried out by the Geodata Diffusion technical team concerning more complex problems that would not have been solved at level 1.
These technical problems are generally related to the identifiers, passwords, services or restriction of the SUBSCRIBER’s subscription and/or the state of the GPRS connection.
Level 2 Technical Assistance has specific monitoring and alert tools and respects the formalization and/or established procedures in order to maintain the status and access to the Orphéon network.

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from Monday to Thursday
from 9:00 a.m. to 1:00 p.m. and from 2:00 p.m. to 6:00 p.m.
And on Friday
from 9:00 a.m. to 1:00 p.m. and from 2:00 p.m. to 5:00 p.m.

Tél : 01 69 18 81 60

Fax : 01 69 18 81 61

Mail :

Address :

Géodata Diffusion
Immeuble Le Viking – 32, Avenue de la Baltique
91140 Villebon-sur-Yvette – France

 Localiser Géodata Diffusion

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Contact Form

You can also contact us directly using the form below.

Our teams receive all requests and respond very quickly.

    Information ?

    Your Surname and Last Name *

    Your Company or Organization *

    Are you an Orpheon subscriber ? *

    Contact ?

    So that our technical teams can answer you, remember to indicate your e-mail or telephone number. Your contact details will only be used to contact you as part of your request.

    Your e-mail

    Your Phone

    What is your request ?

    Object *

    Message *

    Technical information

    These data allows our technical team to speed up the processing of your request, and to provide you with a quick and precise solution. (3 champs facultatifs).

    What is the reference of your contract ? (ORPAF20...... )

    What is your login ID ?

    What brand and model of receiver are you using ?

    Who is your Orphéon distributor ?

    * Mendatory fields
    Your email address will not be stored