ConstReadonlyCollisionBeacon: "COLLISION_BEACON"A beacon was already scheduled then.
ReadonlyCollisionPacket: "COLLISION_PACKET"Another packet was already scheduled then.
ReadonlyGpsUnlocked: "GPS_UNLOCKED"A GPS timestamp was asked for while the GPS is unlocked.
ReadonlyNone: "NONE"It was scheduled.
ReadonlyTooEarly: "TOO_EARLY"Its timestamp is too far ahead.
ReadonlyTooLate: "TOO_LATE"It arrived too late to schedule.
ReadonlyTxFreq: "TX_FREQ"The radio chain cannot reach that frequency.
ReadonlyTxPower: "TX_POWER"The gateway cannot transmit at that power.
What became of a downlink the server asked for, in the protocol's own words.
A TX_ACK carries one of these, and
NONEis how the protocol says nothing failed.