| EMISSION TYPE | A2 |
| ACCESSORY COMPONENT QUANTITY | 2 |
| ACCESSORY CONTROLLING AGENCY | JCENS |
| ACCESSORY IDENTIFYING NUMBER | MD-147/AMT-4A TYPE NO. AND T-304/AMT-4A TYPE NO. |
| CARRIER TYPE | BALLOON |
| FREQUENCY CHANNEL QUANTITY | 1 |
| INDIVIDUAL CHANNEL FREQUENCY | 1680.0 MEGAHERTZ NOMINAL |
| MAJOR COMPONENTS | RADIOSONDE MODULATOR AND RADIOSONDE TRANSMITTER |
| OVERALL HEIGHT | 14.500 INCHES NOMINAL |
| OVERALL LENGTH | 6.500 INCHES NOMINAL |
| OVERALL WIDTH | 5.000 INCHES NOMINAL |
| METEOROLOGICAL CONDITION TRANSMISSION RANGE | -90.0 TO 60.0 DEG CELSIUS AND +0.0 TO 100.0 PERCENT AND +5.0 TO 1060.0 MILLIBARS |
| METEOROLOGICAL CONDITION TRANSMITTED | PRESSURE AND RELATIVE HUMIDITY AND TEMPERATURE |
| NONDEFINITIVE SPEC/STD DATA | MD-210/AMT-4B AND T-435/AMT-4B TYPE |
| POWER OUTPUT RATING | 1.0 WATTS |
| RADIO FREQUENCY RATING | 1680.0 MEGAHERTZ NOMINAL |
| SPECIAL FEATURES | INCL WHITE PLASTIC CASE 680.0 GRAMS WEIGHT |
| USAGE DESIGN | AIRBORNE |