Trans-Cal Altitude Encoder Model SSD120-30N FAA TSO

Description

The world’s smallest and lightest altitude encoder.There are two versions of this model:Standard Version SSD120-30N Version SSD120-30N-MOD1 for NARCO AT-5A, 6A, 50, 50A Transponders. The Narco AT-5A, AT-6A, AT-50* or AT-50A transponder will not accept data from the SSD120-(XX)N() Altitude Digitizer. A recent modification to remove the output decoupling capacitors is required and this version includes that modification.