1. Swiss contributions to ILWS 13. 6
Swiss contributions to ILWS Werner Schmutz (PMOD/WRC) respresenting Swiss Space Office  solar irradiance monitoring PMOD/WRC is building hardware
today
TSI & optical
TSI & optical
UV & FUV
TSI & UV & optical

2. SOLAR on COLUMBUS on ISS
SOVIM/ISS = VIRGO/SoHO: Total Solar Irradiance + optical filter radiometers
SOLAR on COLUMBUS on ISS

3. PROBA2: Two solar instruments
LYRA
UV radiometer
PI: JF Hochedez
LYRA.oma.be
SWAP
EUV imager at 17.5 nm
PIs: D Berghmans & JM Defise
SWAP.oma.be
Sun

4. Filter Radiometers with 50 Hz observing cadence  reconstruction of the solar UV spectrum LYRA/PROBA2 (launch December 2008) PREMOS-PFR/PICARD (launch 2009)
LYRA: 10 (Zr), 30 (Al), 125, 215 nm
PREMOS: 215, 268, 535, 607, 782 nm

5. LYRA/PROBA2 – 4 channel solar irradiance: 2 FUV, 2 UV wavelengths –
Integration of LYRA on PROBA

6. Total Solar Irradiance observations between 2006 and 2012
ACRIM III ?
VIRGO/SOHO – bonus …
TIM/SORCE 2003 – (GLORY?)
SOVIM/ISS ?
PREMOS-TSI/PICARD ?
SOVAP-TSI/PICARD (B)
TSI/PROBA ???
RAD/KuaFu-A (background study) 2012
RAD – a TSI experiment comprising:
SIM = Solar Irradiance Monitor (CN)
DOR = Davos Observatory Radiometer (CH)

7. PICARD PREMOS – SOVAP – SODISM
Filter Radiometers
Total Solar Irradiance

8. PREMOS/PICARD proto type finished
Thank you for your attention!

9. Difference of between active absolute radiometers 2003 – 2006 <VIRGO-TIM> = W/m2 corresponds to ppm trend 20 ppm in 4 years  < 5 ppm/year