(survey to measure the polarization of the CMB)
QUIJOTE is an survey aiming
to record the polarization of the CMB
begun in 2012, and carried out with two special-purpose
telescopes (the QUIJOTE-CMB Telescopes), QT1 and QT2,
located on the Canary Islands.
Instruments that have been used: MFI (10-20GHz), TGI (30GHz) and FGI (40GHz).
They incorporate polarimeters.
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