.------------------------------------------------------------------------------.
| ------------   USER DEFINITIONS FOR TABLE-A TABLE-B TABLE D   -------------- |
|------------------------------------------------------------------------------|
| MNEMONIC | NUMBER | DESCRIPTION                                              |
|----------|--------|----------------------------------------------------------|
|          |        |                                                          |
| NC012000 | A49003 | MESSAGE TYPE 012-000  GPS - Integrated Precip. Water     |
|          |        |                                                          |
| GPID     | 001208 | IGS STATION IDENTIFIER                                   |
|          |        |                                                          |
| CLATH    | 005001 | LATITUDE (HIGH ACCURACY)                                 |
|          |        |                                                          |
| CLONH    | 006001 | LONGITUDE (HIGH ACCURACY)                                |
|          |        |                                                          |
| SELV     | 007001 | HEIGHT OF STATION                                        |
|          |        |                                                          |
| YEAR     | 004001 | YEAR                                                     |
| MNTH     | 004002 | MONTH                                                    |
| DAYS     | 004003 | DAY                                                      |
| HOUR     | 004004 | HOUR                                                     |
| MINU     | 004005 | MINUTE                                                   |
|          |        |                                                          |
| PRES     | 010004 | PRESSURE                                                 |
|          |        |                                                          |
| TMDBST   | 012001 | TEMPERATURE/DRY BULB TEMPERATURE                         |
|          |        |                                                          |
| REHU     | 013003 | RELATIVE HUMIDITY                                        |
|          |        |                                                          |
| TDEL     | 025220 | TOTAL DELAY                                              |
| ETDL     | 025221 | ERROR IN TOTAL DELAY                                     |
| HSDL     | 025222 | HYDROSTATIC DELAY                                        |
| EHSD     | 025223 | ERROR IN HYDROSTATIC DELAY                               |
|          |        |                                                          |
| TPWT     | 013016 | TOTAL PRECIPITABLE WATER                                 |
|          |        |                                                          |
| WMTM     | 025224 | WEIGHTED MEAN TEMPERATURE                                |
| WDMF     | 025225 | WET DELAY MAPPING FUNCTION                               |
|          |        |                                                          |
|------------------------------------------------------------------------------|
| MNEMONIC | SEQUENCE                                                          |
|----------|-------------------------------------------------------------------|
|          |                                                                   |
| NC012000 | GPID  CLATH CLONH SELV  YEAR  MNTH  DAYS  HOUR  MINU              |
| NC012000 | PRES  TMDBST  REHU  TDEL  ETDL  HSDL  EHSD  202131 201138         |
| NC012000 | TPWT  201000  202000    WMTM  WDMF                                |
|          |                                                                   |
|------------------------------------------------------------------------------|
| MNEMONIC | SCAL | REFERENCE   | BIT | UNITS                    |-------------|
|----------|------|-------------|-----|--------------------------|-------------|
|          |      |             |     |                          |-------------|
| GPID     |    0 |           0 |  32 | CCITT IA5                |-------------|
|          |      |             |     |                          |-------------|
| CLATH    |    5 |    -9000000 |  25 | DEGREES                  |-------------|
|          |      |             |     |                          |-------------|
| CLONH    |    5 |   -18000000 |  26 | DEGREES                  |-------------|
|          |      |             |     |                          |-------------|
| SELV     |    0 |        -400 |  15 | METERS                   |-------------|
|          |      |             |     |                          |-------------|
| YEAR     |    0 |           0 |  12 | YEAR                     |-------------|
| MNTH     |    0 |           0 |   4 | MONTH                    |-------------|
| DAYS     |    0 |           0 |   6 | DAY                      |-------------|
| HOUR     |    0 |           0 |   5 | HOUR                     |-------------|
| MINU     |    0 |           0 |   6 | MINUTE                   |-------------|
|          |      |             |     |                          |-------------|
| PRES     |   -1 |           0 |  14 | PA                       |-------------|
|          |      |             |     |                          |-------------|
| TMDBST   |    1 |           0 |  12 | DEGREES KELVIN           |-------------|
|          |      |             |     |                          |-------------|
| REHU     |    0 |           0 |   7 | %                        |-------------|
|          |      |             |     |                          |-------------|
| TDEL     |    4 |           0 |  16 | METERS                   |-------------|
|          |      |             |     |                          |-------------|
| ETDL     |    4 |           0 |   9 | METERS                   |-------------|
|          |      |             |     |                          |-------------|
| HSDL     |    4 |           0 |  16 | METERS                   |-------------|
|          |      |             |     |                          |-------------|
| EHSD     |    4 |           0 |   9 | METERS                   |-------------|
|          |      |             |     |                          |-------------|
| TPWT     |    0 |           0 |   7 | KG/M**2                  |-------------|
|          |      |             |     |                          |-------------|
| WMTM     |    2 |           0 |  16 | DEGREES KELVIN           |-------------|
|          |      |             |     |                          |-------------|
| WDMF     |    3 |           0 |  13 | NUMERIC                  |-------------|
|          |      |             |     |                          |-------------|
`------------------------------------------------------------------------------'