Hoffmann, K. - Škvor, Z.: First results of microwave measurement of broadband radio interference filters. In 64-th ARFTG Conference proceedings. Piscataway: IEEE, 2004, s. 139-142.
A vector measurement method for testing multiport interference filters for shielded chambers has been used. Measured data up to 3 GHz are presented. The authors believe that this is the first time such results have been published.