Please find the following documents : a) An introduction to and some practical experiments with the HP 805A TEM slotted line and HP 415 SWR meter b) An introduction to and some practical experiments with the HP8405A Vector Voltmeter, HP394A variable attenuator and HP76D dual directional coupler or HP778 (0.1 to 2.0 GHz) dual directional coupler (including single stub matching) c) An introduction to and some practical experiments at X band frequencies with the HP X281 coax to waveguide transition , HP X750D 20 dB crossed-guide directional coupler, HP X370C 10 db fixed waveguide attenuator, Narda 950 180 degree hybrid (magic-T), HP 415E SWR meter, HP X382A rotary vane variable attenuator and HP X885A phase shifter d) An introduction to and some practical experiments with the HP 8410C Network analyzer with HP 8411A 0.11 to 18 GHz harmonic frequency converter, HP 8412A rectangular display, HP8414B rectangular display and HP 8743B 2.0 to 18 GHz transmission/reflection test unit (including a detailed procedure for HP8410 calibration) e) A presentation of HP8720A network analyzer; An introduction to and some practical experiments with the HP8505A network analyzer, HP8501A storage normalizer. HP8503A S-parameter test set.(including a detailed procedure for HP8505 + HP8503 calibration) f) The "Basic operating Guide" for the Hp8505 Have fun !! Guy Reza