A real time apparatus for testing a DTV antenna transmitting system, wherein the DTV antenna transmitting system transmits an original signal from a DTV transmitter to a DTV transmitting antenna, is disclosed that includes a probe, wherein the probe is connected in series with the DTV antenna transmitting...http://www.google.de/patents/US7633522?utm_source=gb-gplus-sharePatent US7633522 - Method and apparatus for real time testing of DTV antenna transmitting systems in time domain under full power