D. Ruffieux, E. Maillard (MeteoSwiss)– Deployed from January 2000 to June 2002 in Bern (46.95˚N, 7.45˚E, prior to permanent siting at Payerne. The SOMORA instrument provides ozone volume mixing ratios between 20/25 and 65 km with a 1-hour time resolution.
R. Stübi and D. Ruffieux (MeteoSwiss) – Observations with Brewer Mast ozonesondes three times per week beginning November 1966, then ECC since September 2002. Data archived since 1990. Data through 2013 archived under previous PI (Viatte).
ECC: Electrochemical Concentration Cell (relates to ozonesondes)