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Hi Keysight,   We ran into an issue where the only available cal kit for the particular adapter we have to use does not cover the full frequency range we need to measure over. One suggestion I got the other day was to cal the VNA/cables with our Ecal, connect a M/F adapter pair together, measure the combo and halve the S2P data. I feel like

Hi, I recently reloaded firmware to HP 8711C Network Analyzer and ROM appears to have been corrupted. Firmware gave error on first attempt unpacking compressed firmware file. Now unit reports ROM checksum error and then    " Unexpected Exception Vector". It will not boot. I would appreciate any advice to resolve this issue.