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SNOTEL GOES Project. A Cooperative Design Effort Rose Loehr - Portland John Weeks - Portland Austin Beard - Montana Richard Brown - Alaska. Seal Island - Prince William Sound, Alaska. Primary Design Goal. Add GOES data modems to the SNOTEL operational framework. Design Requirements.

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SNOTEL GOES Project

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Snotel goes project

SNOTEL GOES Project

A Cooperative Design Effort

Rose Loehr - Portland

John Weeks - Portland

Austin Beard - Montana

Richard Brown - Alaska


Seal island prince william sound alaska

Seal Island - Prince William Sound, Alaska


Primary design goal

Primary Design Goal

  • Add GOES data modems to the SNOTEL operational framework


Design requirements

Design Requirements

  • Automate retrieval of GOES data from NESDIS

  • Automatically import GOES data to SNOTEL in MBD message format

  • Accommodate popular GOES modem models

  • Do not impact SNOTEL structure

  • Eliminate recurring costs

  • Should be OS portable


Basic msidcsdecode functionality

Basic msiDCSdecode Functionality

  • Retrieve data message context from NESDIS

  • Associate GOES ID with SNOTEL ID

  • Decode and translate data message context to FP2 parameter format for each sensor value

  • Generate data messages in MBD format for direct import to SNOTEL

  • Generate and save GOES RMP messages


Goes data message context

GOES Data Message Context

  • Text based system

  • Various binary encoding schemes are used

  • All data groups packed in one GOES message


Snotel goes data message rules

SNOTEL GOES Data Message Rules

  • All sensor values exist in array[0..n-1]

  • Array[0] must be data julian date

  • Array[1] must be data time of day


Supported goes data modems

Campbell Sci TX312

Simple Interface with CSI Modems

FP2 data values

Microcom GTX

Flexible data value formatting

Built in RMP values

Supported GOES Data Modems


What to give to rose for each site

Campbell Sci TX312

Site Name

GOES ID = SNOT ID

GMT Offset

Modem Type

Group definitions

Microcom GTX

Site Name

GOES ID = SNOT ID

GMT Offset

Modem Type

Group definitions

TPL File

What to give to Rose for each site


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