base of operations within a foreign country with which a resident spy may liaise

резидентура

spy for (a country)

foreign spy agency

base junction; rotary collector ring (box); rotary base junction (of a tank); rotary connection; slip ring; traverse rotary base junction

Flashing inappropriate firmware may damage your ESC

Some Arming options may require accelerometer be enabled

the higher the filter value gets the better the drone may fly

in the period in which the communications channel has been open

static ceiling (the highest altitude at which the helicopter is capable of hovering in standard atmosphere) / hover ceiling

At which temperature the ESC will shut down

Frequency at which the Pit Mode changes when enabled

Resets all motor spin directions, then allows the user to choose which to reverse

document hardware on which you have successfully flashed and tested Bluejay by (adding it to the Wiki)

defense industrial base / military-industrial base

naval base; naval operating base

domestic spy agency

sky-spy (satellite)