uint8_t apogee_delay; /* minor version 1 */
int16_t accel_minus_g; /* minor version 2 */
uint32_t radio_cal; /* minor version 3 */
uint8_t apogee_delay; /* minor version 1 */
int16_t accel_minus_g; /* minor version 2 */
uint32_t radio_cal; /* minor version 3 */