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Contents 1 Dobson-Brewer absolute calibration campaign 1.1 Location 1.2 Participants 2 Schedule of the Intercomparison 2.1 Events 3 Ancillary measurements & Weather forecast 3.1 Local Resources (only accessible from the station) 3.1.1 Wheather Forecast Models 3.1.2 Web Cams 3.2 Real Time 3.3 Weather forecast 3.4 AERONET 4 Logistics 4.1 Full address to sent the instruments 4.2 Printer 4.3 Meals & rooms 4.4 Platform

Dobson-Brewer absolute calibration campaign

In this campaign World total ozone reference standards from Dobson and Brewer and European regional standards participate in a join campaign which the three main objectives

• Verify the calibration of Standard.
• Compare the calibration levels of the regional standard defined by both direct comparison and by Langley Plot Method.
• To investigate the precision of the Langley Plot method.

The world Dobson standard is managed by NOAA/ESRL/GMD the Brewer world standard is a triad of instruments managed by MSC, one of this triad will be present at the campaign. The European references from the Regional Dobson Calibration Center - Europe and Regional Brewer Calibration Center-Europe which host the intercomparison. Comparison between world reference instruments and regional calibration center is performed regularly. These Comparisons are performed during the regular intercomparison organized WMO-GAW Calibration centers. During this campaigns World Traveling instrument and/or and Regional reference instruments travel to the campaign place and transfer the calibration by side by side comparison. The Langley Absolute calibration is a method who takes the sun as reference and the instruments can be independently calibrated. The atmospheric conditions and scientific infrastructure and personal of the Izaña allows the Absolute calibration of the instruments.

This comparison between references also will help to clarify the differences between Dobson and Brewer in the early 90s found in some European Dobson-Brewer stations [Arosa Stahelin,1998 ], [Vanizeck 2006].

Location

Izaña Atmospheric Research Center Coordinates

IZO	Izaña	Altura: 2372.899
		Deg	Rad
Longitud	16º 29' 57.78W	16.4993833	0.287968563
Latitud	28º 18' 32.34N	28.3089833	0.494084967

Participants

#	Instrument	Institution	Investigator	Country	email	Room	Arrival	Departure
1	Dobson #083	NOAA	Bob Evans	USA	Robert.D.Evans@noaa.gov	1	6/09/2008	27/09/2008
2	Dobson #064	DW-HOP	Ulf Kölher	Germany	ulf.koehler@dwd.de	3	08/09/2008	19/09/2008
3		DWD-MOHp	Bert Dömling	Germany	bert.doemling@dwd.de	2	08/09/2008	26/09/2008
4	Dobson #074	CHMI-HK	Martin Stanek	Check Republic	stanek@chmi.cz	3	07/09/2008	20/09/2008
5		CHMI-HK	Jiry Pokorny	Check Republic		4	14/09/2008	27/09/2008
6	Brewer #008	MSC	Tom McElroy	Canada	tom.mcelroy@sympatico.ca	5	14/09/2008	22/09/2008
7		MSC	Tom Grajnar	Canada	Tom.Grajnar@ec.gc.ca	5	14/09/2008	22/09/2008
8	Brewer #145	MSC	Volodya Savastiouk	Canada	volodya@io3.ca	6	14/09/2008	30/09/200/8
9		MSC	I.Abboud	Canada	Ihab.Abboud@ec.gc.ca	6	14/09/2008	6/10/2008
10	Brewer #157	AEMET-IZO	Alberto Redondas	Spain	aredondas@inm.es	7

Schedule of the Intercomparison

The Dobson-Brewer Absolute Calibration Campaign, Izaña Atmospheric Observatory 7th - 27th September 2008:

Note: Click on Agenda tab below to see a detailed events list.

Events

Ancillary measurements & Weather forecast

Local Resources (only accessible from the station)

Wheather Forecast Models

1. Forecast Portal [[6]]
2. MM5 Local Area (Experimental) [[7]]
3. European Center ECWMF [[8]]
4. AEMET MODELS ECWMF & HIRLAN [[9]]
5. AEMET Trade wind Inversion forecast [[10]]

Web Cams

1. Web cam to Dobson platform [[11]]
2. Web cam to Brewer Terrace [[12]]

SIELTEC SONA Full Sky camera [[13]]
  user: sieltec     pwd: sieltec

Real Time

1. [ Bradford Telescope [14] ]
2. [ IAC GONG Station1 [15]]
3. [ IAC Wheather Station [16]]
4. [ IAC webcams [17]]

Weather forecast

BSC Dust & Cloud Cover forecast [[18]]

AERONET

[AOD from CIMEL]

Logistics

logistics information

Full address to sent the instruments

Observatorio Atmosférico de Izaña
Alberto Redondas Marrero
Montaña de Izaña KM43
Crt Gral La Esperanza - El portillo
La Orotava
Santa Cruz de Tenerife
Canary Islands
Spain
Tel: 34922373878

Printer

PRINTERS INSTALLATION USING OKI LPR UTILITY:

• OKI LPR UTILITY download:

      Access to the following PC:
              \\Sco\Izosco
              Login: izoguest2
              Password: ******
              \\Izosco\vitolo\Software\Drivers\lpr
      Run setup.exe (Default settings)

• Adding printer:

      Control panel
      Printers and faxes
      Add printer
      Local printer (Detecting and installing not selected)
      OKI LPR Port
      Select the printer from the list. The Izaña Station printers are the following:
              Ground floor next to the laboratories: OKI 20 plus: 193.144.153.133
              First floor next to the offices: OKI B6200: 193.144.153.144
              If the printer is not in the list select the following drivers link:
                      \\Izosco\vitolo\Software\Drivers\OKI******
              Keep existing controller

• Finishing instalation:

      Right click on the OKI LPR UTILITY icon in the system tray
      Add Pinter...
      Discover (Write the printer IP)
      OK

Meals & rooms

At the observatory there is a washing machine and a small kitchen. The rooms are

The meals can be ordered and serve at the Astrophysics Observatory, only you need to reserve one day in advance. The service requires registration

Platform

The platform has 220 Volt, 3KW power. Is shared with three high volume samplers, but this instruments only work at night.