Vienna, VIC
  28 Oct 2026 - 30 Oct 2026

Objectives:

  • Gain a good understanding of CTBTO’s ATM output (the SRS file).
  • Establish a full comprehension of Webgrape’s potential to support both the verification regime and scientific applications in general by using IDC (SRS) data and IMS (sample) data.
  • Refresh basic skills and explore and refine advanced skills of all (beginner and advanced) Webgrape functionalities available in both the desktop application (complementing the NDC-in-a-Box package) and in its online Webgrape app (Webgrape Internet-Based Services).
  • Promote the exchange of experience and expertise in ATM and Webgrape among the NDCs.

Participation Profile

  • NDC technical staff/authorized users (preferably Principal User or Regular User);
  • Experts involved in applying and developing radionuclide monitoring, atmospheric transport modelling (ATM) and data fusion methods;
  • Webgrape basic skills are desirable

Further details:

Language: English
Application Deadline: 15 Jul 2026 23:59 GMT

Application Procedure

Applicants are requested to register online at the Commission’s CTNW platform: https//ctnw.ctbto.org

NDC technical staff are invited to submit their applications for this training through established official channels (their Permanent Missions to the CTBTO or Ministries of Foreign Affairs).

Registration Form

Applicants are requested to use the registration form, which is available at https://www.ctbto.org/node/9355. Applications will be reviewed and subsequently applicants will be notified.

However, pending the official nomination, participants may email the registration form upon its approval by a director of the institution, to allow timely travel and accommodation arrangements by the PTS.

Financial Information

In accordance with the Staff regulations and rules and Administrative Directives, the PTS will provide the following:

  • A round-trip ticket to Vienna on the most direct and economic route;
  • Funded participants are not allowed to purchase their own tickets unless, under exceptional circumstances, they are authorized to do so in advance, and only if this proves to be the most cost effective option for the PTS;
  • The PTS will book a hotel and cover the costs for the accommodation. Training participants will receive relevant portion of the Daily Subsistence Allowance (per-diem) via bank transfer upon arrival to the first day of the training course; and

Health and accident insurance will be provided for the duration of the training, including travel days.

Point of Contact

Capacity Building and Training Section (IDC/CBT)

International Data Centre Division

CTBTO Preparatory Commission

P.O. Box 1200, A-1400

Vienna, Austria

Tel: +43 1 26030 6147

Email: [email protected]

Agenda

  • Introduction to ATM and its role to provide key support to CTBT’s Verification Regime.
  • Introduction (theory) to ATM’s output data for forward and backward modelling: the source-receptor sensitivity file (SRS file).
  • Introduction (theory + examples) to all Webgrape products: FOR (Field of Regard), PSR (Possible Source Region), MMFOR (Multi-model FOR), MMPSR (Multi-model PSR), MultiPSR, CustomSRS (and forward PLUMEs), CES (Continuously Emitting Sources), and Network Coverage.
  • Introduction to all Webgrape features for product’s data layer functionality.
  • First steps: live demonstrations + follow along (getting SRS data and more).
  • NDCs using Webgrape (presentations by participants).
  • Extensive training: The use cases/Beginner tasks (from FOR to PSR)/Advanced tasks (from Network Coverage to CES to PSR and multi-model analyses).
  • Participant requests (use case/functionality/other).
  • Q&A.
  • Assessment, feedback, conclusion.

Other Information

Participants should apply for visas, if needed, as soon as possible, at the corresponding Embassy upon receipt of an Acceptance Note Verbale from the PTS, in order to ensure timely processing.

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