XIII INTERCOMPARISON RBCCE CAMPAIGN

THE DIRECTOR OF THE FEDERAL OFFICE OF METEOROLOGY AND

CLIMATOLOGY, METEOSWISS, SWITZERLAND

AND

THE PRESIDENT OF THE METEOROLOGICAL STATE AGENCY OF SPAIN (AEMET)

ANNOUNCE (1^st ANNOUNCEMENT)

THE XIII INTERCOMPARISON CAMPAIGN OF THE REGIONAL BREWER CALIBRATION

CENTER-EUROPE (RBCC-E)

Will be held at Lichtklimatisches observatorium LKO

Arosa, Switzerland 30 July – 10 August, 2018

This is an invitation to European Brewer operators to participate in the thirteenth Regional Brewer Calibration Center for Europe (RBCC-E) intercomparison that will be held at Lichtklimatisches Observatorium LKO (Arosa, Switzerland) during the period  30 July – 10 August, 2018.

This thirteenth campaign will be a joint exercise of the Regional Brewer Calibration Canter for Europe (RBCC-E) and the Regional Dobson Calibration Center (RDCC-E) with the support of MeteoSwiss and of the Global Atmosphere Watch (GAW) program of the World Meteorological Organization (WMO).

In November 2003, and within the GAW/WMO program, the Regional Brewer Calibration Centre for RA-VI Region (Europe) (RBCC-E) was established by Izaña Atmospheric Research Centre (I-ARC) at Izaña Observatory (IZO, Canary Islands), managed by the “Agencia Estatal de Meteorología” (AEMET, Spain). Technical and organization information of the RBCC-E can be obtained at rbcce.aemet.es. At present, the RBCC-E maintains a triad of reference instruments. The Regional Primary Reference Spectrophotometer (B157) and the Regional Travelling Reference Spectrophotometer (B185) are part of the triad. Each spectrophotometer is calibrated independently with the standard Langley method at IZO and since 2011 transfer their own calibration.

The travelling reference (B#158) operated by Kipp & Zonen (K&Z) experts will also participate in this intercomparison. This will allow participants to request the technical servicing and maintenance on their instruments with K&Z during the campaign.

The following operations are offered by the RBCC-E during the intercomparison:

• Ozone calibration against the RBCC-E travelling reference (B185)
• AOD calibration transferred from RBCC-E travelling instrument.
• Compilation of the calibration histories of the instruments
• Evaluation of the Level 2 Eubrewnet ozone data for the period between intercoparisons.

Schedule

Location of the intercomparison

Thirteenth RBCC-E Calibration Campaign, Lichtklimatisches Observatorium LKO (Arosa, Switzerland) 30 July – 8 August, 2018

Participants already registered

3 Brewer spectrophotometers from MeteoSwiss

1 Brewer spectrophotometer from PMOD/WRC.

2 Reference Instruments (Brewer #185 and Brewer#158)

Participants to be registered

The organisers can accommodate up to 7 more instruments with up to two operators per instrument.

Technical Requirements

The instruments should be operative, equipped with tripods and run by their usual operator.
History of the instrument (AVG Files), last calibration and recent observations (B files) must be available at the intercomparison. Updated technical aspects can be checked through www.rbcc-e.org.

Funding for instruments maintenance

• Travelling, instrument transportation and accommodation costs should be covered by the participants.
• Extra financial support for developing countries or countries with economies in transition may be available from WMO-GAW. In case of major repairs, the guests can directly order the service with the Kipp & Zonen Company.

Contact Information

Members of the Organizing Committee:

Dominique Ruffieux (dominique.ruffieux@meteoswiss); Aerological Sounding Station, Payerne
Bertrand Calpini (bertrand.calpini@meteoswiss); Aerological Sounding Station, Payerne
Franz Herzog (franz.herzog@slf.ch); Technician, SLF, Davos

Deadline

Sincerely,

Accommodation information

In Arosa resort, there are many hotels at a few minutes walking distance from the Observatory. The price is around € 90 for halfboard (breakfast + evening meal). A pre-reservation has been done at the following closest hotels:

Streiff (***)
Telephone: +41.(0) 81 378 71 71 / FAX: +41.(0) 81 378 71 78
E-mail:
http://www.streiff.ch/en/sommer/

Hohe Promenade (****)
Telephone: +41.(0) 81 378 77 00 / FAX: +41.(0) 81 378 77 07
E-mail: info@hoproarosa.ch
http://www.hoproarosa.ch/sites_e/sommer/hotel/beschrieb_geschichte.html

Hohenfels (***)
Telephone: +41.(0) 81 378 56 56 / FAX: +41.(0) 81 378 56 57
E-mail: reception@arosabergbahnen.ch
http://www.hohenfels.ch/index.php?check=go&seas=w&lang=e

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