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Last modified: Sat Sep 20 18:17:31 2025.

# Directory Listing of Routines

# projects/SPP/fields/l1/l1_mag_survey

- SPP_FLD_MAG_SURVEY_4_SA_PER_CYC
- SPP_FLD_MAG_SURVEY_LOAD_L1
  Loads a L1 FIELDS MAG SURVEY CDF file into TPLOT variables.

# Routine Descriptions

## SPP_FLD_MAG_SURVEY_4_SA_PER_CYC

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     spp_fld_mag_survey_4_sa_per_cyc downsamples high cadence FIELDS MAG
     Level 1 data to a rate of 4 Sa/cycle (aka 4 Sa/NYS).

     The downsampling is performed using a simplified triangle filter, similar
     to the filter used for onboard downsampling.

     Level 1 data which is already at 2 Sa/cycle or 4 Sa/cycle is left
     unchanged.

     $LastChangedBy: pulupalap $
     $LastChangedDate: 2025-04-22 14:32:54 -0700 (Tue, 22 Apr 2025) $
     $LastChangedRevision: 33271 $
     $URL: svn+ssh://thmsvn@ambrosia.ssl.berkeley.edu/repos/spdsoft/trunk/projects/SPP/fields/l1/l1_mag_survey/spp_fld_mag_survey_4_sa_per_cyc.pro $

(See projects/SPP/fields/l1/l1_mag_survey/spp_fld_mag_survey_4_sa_per_cyc.pro)

## SPP_FLD_MAG_SURVEY_LOAD_L1

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     NAME:
       SPP_FLD_MAG_SURVEY_LOAD_L1

     PURPOSE:
       Loads a L1 FIELDS MAG SURVEY CDF file into TPLOT variables.

     CALLING SEQUENCE:
       spp_fld_mag_survey_load_l1, file, prefix = prefix

     INPUTS:
       FILE: The name of the FIELDS Level 1 CDF file to be loaded.
       PREFIX: The standard input is 'spp_fld_magi_survey_' or
         'spp_fld_mago_survey_'

     OUTPUTS: No outputs returned.  TPLOT variables containing MAG data from
       the specified CDF file will be created.

     EXAMPLE:
       See call in SPP_FLD_MAGI_SURVEY_LOAD_L1.

     CREATED BY:
       pulupa

      $LastChangedBy: pulupalap $
      $LastChangedDate: 2022-09-16 12:37:00 -0700 (Fri, 16 Sep 2022) $
      $LastChangedRevision: 31092 $
      $URL: svn+ssh://thmsvn@ambrosia.ssl.berkeley.edu/repos/spdsoft/trunk/projects/SPP/fields/l1/l1_mag_survey/spp_fld_mag_survey_load_l1.pro $

(See projects/SPP/fields/l1/l1_mag_survey/spp_fld_mag_survey_load_l1.pro)