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Coax Cable ImpactWithout a coax cable attached to the high input the power enveloppe of a close by Mobile Phone Base Station is just visible using MAX DECAY The signal under marker 1 also is from the mobile phone base station. As soon as you connect one of the supplied coax cables to the high input and leave the other side open this changes The power envelope and the signal under the marker increase with almost 20dB Replacing the supplied coax with a double shielded coax, costing more than the tinySA, shows the shielding of the supplied coax is not perfect as the power envelope reduces to (almost) the level without coax cable attached. So be aware many coax cables are far from perfect. |