A low cost steerable radio-telescope von Sawant, H.S., Neri, J.A.C.F., Fernandes, F.C.R., Cecatto, J.R., Sankararaman, M.R., Faria, C., Stephany, S., Rosa, R.R., Andrade, M.C., Alonso, E.M.B., Lüdke, E., Subramanian, K.R., Ramesh, R., Sundararajan, M.S., Ananthakrishnan, S., Swarup, G., Boas, J.W.V., Botti, L.C.L., Moron, C.E., Saito, J.H.

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High sensitivity wide band digital solar polarimetric spectroscope von Sawant, H.S, Sobral, J.H.A, Fernandes, F.C.R, Cecatto, J.R, Day, W.G, Neri, J.A.C.F, Alonso, E.M.B, Moraes, A

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