E. V. Appleton, Two Anomalies in the Ionosphere, Nature, vol.157, issue.3995, p.691, 1946.
DOI : 10.1038/157691a0

M. A. Brentjens, Deep Westerbork observations of Abell 2256 at 350??MHz, Astronomy and Astrophysics, vol.489, issue.1, p.69, 2008.
DOI : 10.1051/0004-6361:20077174

J. C. Brown, M. Haverkorn, and B. M. Gaensler, Rotation Measures of Extragalactic Sources behind the Southern Galactic Plane: New Insights into the Large???Scale Magnetic Field of the Inner Milky Way, The Astrophysical Journal, vol.663, issue.1, p.258, 2007.
DOI : 10.1086/518499

B. J. Burn, On the Depolarization of Discrete Radio Sources by Faraday Dispersion, Monthly Notices of the Royal Astronomical Society, vol.133, issue.1, p.67, 1966.
DOI : 10.1093/mnras/133.1.67

B. F. Cooper and R. M. Price, Faraday Rotation Effects associated with the Radio Source Centaurus A, Nature, vol.69, issue.4846, p.1084, 1962.
DOI : 10.1038/1951084a0

W. C. Erickson, R. A. Perley, C. Flatters, and N. E. Kassim, Ionospheric corrections for VLA observations using Local GPS data, Astronomy and Astrophysics, vol.366, issue.3, p.1071, 2001.
DOI : 10.1051/0004-6361:20000359

E. W. Greisen, Information Handling in Astronomy ? Historical Vistas, p.109, 2003.

P. A. Hamilton and A. G. Lyne, Faraday rotation measurements on 163 pulsars, Monthly Notices of the Royal Astronomical Society, vol.224, issue.4, p.1073, 1987.
DOI : 10.1093/mnras/224.4.1073

J. L. Han, R. N. Manchester, A. G. Lyne, G. J. Qiao, and W. Van-straten, Pulsar Rotation Measures and the Large???Scale Structure of the Galactic Magnetic Field, The Astrophysical Journal, vol.642, issue.2, p.868, 2006.
DOI : 10.1086/501444

G. Heald, R. Braun, and R. Edmonds, The Westerbork SINGS survey, Astronomy and Astrophysics, vol.503, issue.2, p.409, 2009.
DOI : 10.1051/0004-6361/200912240

R. Karuppusamy, B. Stappers, and W. Van-straten, PuMa-II: A Wide Band Pulsar Machine for the Westerbork Synthesis Radio Telescope, Publications of the Astronomical Society of the Pacific, vol.120, issue.864, p.191, 2008.
DOI : 10.1086/528699

J. Macquart, R. D. Ekers, I. Feain, and M. Johnston-hollitt, ON THE RELIABILITY OF POLARIZATION ESTIMATION USING ROTATION MEASURE SYNTHESIS, The Astrophysical Journal, vol.750, issue.2, p.139, 2012.
DOI : 10.1088/0004-637X/750/2/139

R. N. Manchester, Pulsar Rotation and Dispersion Measures and the Galactic Magnetic Filed., The Astrophysical Journal, vol.172, p.43, 1972.
DOI : 10.1086/151326

A. Noutsos, A. Karastergiou, M. Kramer, S. Johnston, and . Stappers, Phase-resolved Faraday rotation in pulsars, Monthly Notices of the Royal Astronomical Society, vol.396, issue.3, p.1559, 2009.
DOI : 10.1111/j.1365-2966.2009.14806.x
URL : http://arxiv.org/abs/0903.5511

D. H. Schnitzeler, P. Katgert, and A. G. De-bruyn, WSRT Faraday tomography of the Galactic ISM at ?? ~ 0.86 m, Astronomy and Astrophysics, vol.494, issue.2, p.611, 2009.
DOI : 10.1051/0004-6361:20078912

J. M. Weisberg, J. M. Cordes, and B. Kuan, Arecibo 430 MHz Pulsar Polarimetry: Faraday Rotation Measures and Morphological Classifications, The Astrophysical Journal Supplement Series, vol.150, issue.1, p.317, 2004.
DOI : 10.1086/379802
URL : http://arxiv.org/abs/astro-ph/0310073

R. Wielebinski and J. R. Shakeshaft, Faraday Rotation of Polarized Galactic Radio Emission, Nature, vol.263, issue.4845, p.982, 1962.
DOI : 10.1038/195982a0

M. Für-radioastronomie, A. Groningen, and 1. , The Netherlands 4 Astronomical Institute Anton Pannekoek Science Park 904, 1098 XH Amsterdam The Netherlands 5 Kapteyn Astronomical Institute, PO Box 800 The Netherlands 6 Space Telescope Science Institute, 3700 San Martin Drive The Netherlands 8 ARC Centre of Excellence for All-sky astrophysics (CAASTRO), Sydney Institute of Astronomy Australia 9 School of Physics and Astronomy UK 10 Max Planck Institute for Astrophysics, Karl Schwarzschild Str. 1, 85741 Garching, Germany 11 Institute for Astronomy The Netherlands 13, Auf dem Hügel 69, 53121 Bonn, Germany 3 ASTRON, the Netherlands Institute for Radio Astronomy, Postbus 2, 7990 AA Dwingeloo 7 SRON Netherlands Insitute for Space Research, Sorbonnelaan 2, 3584 CA Utrecht 15 Leibniz-Institut für Astrophysik Potsdam (AIP), An der Sternwarte 19 Laboratoire de Physique et Chimie de l'Environnement et de l'Espace (LPC2E), UMR 7328 CNRS, 45071 Orléans Cedex 02, 14482.