.------------------------------------------------------------------------------.
| ------------   USER DEFINITIONS FOR TABLE-A TABLE-B TABLE D   -------------- |
|------------------------------------------------------------------------------|
| MNEMONIC | NUMBER | DESCRIPTION                                              |
|----------|--------|----------------------------------------------------------|
|          |        |                                                          |
| AVN      | A60240 | TABLE A ENTRY - MRF MODEL MESSAGES                       |
|          |        |                                                          |
| HEADR    | 362001 | TABLE D ENTRY - PROFILE COORDINATES                      |
| PROFILE  | 362002 | TABLE D ENTRY - PROFILE DATA                             |
|          |        |                                                          |
| CLS0     | 362101 | TABLE D ENTRY - CLASS 0 SUBGROUP OF SFC DATA             |
|          |        |                                                          |
| FTIM     | 004194 | TABLE B ENTRY - FORECAST TIME                            |
| STNM     | 001205 | TABLE B ENTRY - STATION NUMBER                           |
| RLAT     | 005002 | TABLE B ENTRY - LATITUDE (DEGREES)                       |
| RLON     | 006002 | TABLE B ENTRY - LONGITUDE (DEGREES)                      |
| SELV     | 010001 | TABLE B ENTRY - STATION ELEVATION                        |
|          |        |                                                          |
| PRES     | 010004 | TABLE B ENTRY - PRESSURE                                 |
| TMPK     | 012001 | TABLE B ENTRY - TEMPERATURE                              |
| UWND     | 011003 | TABLE B ENTRY - U WIND                                   |
| VWND     | 011004 | TABLE B ENTRY - V WIND                                   |
| SPFH     | 013001 | TABLE B ENTRY - SPECIFIC HUMIDITY                        |
|          |        |                                                          |
| PRSS     | 010195 | TABLE B ENTRY - SURFACE PRESSURE                         |
| P12M     | 013022 | TABLE B ENTRY - TOTAL PRECIP IN PAST 12-HOURS            |
|          |        |                                                          |
|------------------------------------------------------------------------------|
| MNEMONIC | SEQUENCE                                                          |
|----------|-------------------------------------------------------------------|
|          |                                                                   |
| MRF      | HEADR {PROFILE} CLS0                                              |
| HEADR    | FTIM STNM RLAT RLON SELV                                          |
| PROFILE  | PRES TMPK UWND VWND SPFH                                          |
| CLS0     | PRSS P12M                                                         |
|          |                                                                   |
|------------------------------------------------------------------------------|
| MNEMONIC | SCAL | REFERENCE   | BIT | UNITS                    |-------------|
|----------|------|-------------|-----|--------------------------|-------------|
|          |      |             |     |                          |-------------|
| FTIM     |    0 |           0 |  24 | SECONDS                  |-------------|
| STNM     |    0 |           0 |  17 | 5-DIGIT STATION ID       |-------------|
| RLAT     |    2 |       -9000 |  15 | DEG N                    |-------------|
| RLON     |    2 |      -18000 |  16 | DEG E                    |-------------|
| SELV     |    0 |        -400 |  15 | M                        |-------------|
|          |      |             |     |                          |-------------|
| PRES     |   -1 |           0 |  14 | PA                       |-------------|
| TMPK     |    1 |           0 |  12 | K                        |-------------|
| UWND     |    1 |       -4096 |  13 | M/S                      |-------------|
| VWND     |    1 |       -4096 |  13 | M/S                      |-------------|
| SPFH     |    5 |           0 |  14 | KG/KG                    |-------------|
|          |      |             |     |                          |-------------|
| PRSS     |   -1 |           0 |  14 | PA                       |-------------|
| P12M     |    1 |          -1 |  14 | KG/M**2                  |-------------|
`------------------------------------------------------------------------------'