FUNCTION: GET_PULSECODE_EISCAT pulse_out = get_pulsecode_eiscat(pulse_in, mode) :DESCRIPTION: Convert pulse_code_id of the EISCAT radar observation to pulse_code or vice versa. :KEYWORDS: pulse_in: pulse_code_id(integer) or pulse_code(string) mode: 0(default) : id ---> pulse_code others : pulse_code ---> id pulse_out: output (pulse_code or id) Written by Y.-M. Tanaka, June 15, 2012 (ytanaka at nipr.ac.jp)