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We fit the SEDs of the TeV blazar Mkn 501 adopting the homogeneousSynchrotron-Self Compton model to simultaneous X-ray and TeV spectra recentlybecome available. We present detailed model spectra calculated with the aboveconstraints and taking into account the absorption of TeV photons by the IRbackground. We found that the curved TeV spectra can be naturally reproducedeven without IRB absorption. Taking IRB absorption into account changes therequired parameter values only slightly.Comment: 4 pages, 2 figures, to appear in the proceedings of the conference  "X-Ray Astronomy '99", Bologna, Italy, September 199

Constraints to the SSC model for Mkn 501