uint8 LINK_TYPE_GENERIC = 0
uint8 LINK_TYPE_UBIQUITY_BULLET = 1
uint8 LINK_TYPE_WIRE = 2
uint8 LINK_TYPE_USB = 3
uint8 LINK_TYPE_IRIDIUM	= 4

uint64 timestamp			# time since system start (microseconds)

telemetry_heartbeat[4] heartbeats

uint8 type				#  type of the radio hardware (LINK_TYPE_*)

uint8 mode

bool flow_control
bool forwarding
bool mavlink_v2
bool ftp

uint8 streams

float32 data_rate

float32 rate_multiplier

float32 rate_rx

float32 rate_tx
float32 rate_txerr