верхня бокова смуга частот
single-sideband
double-sideband transmitter
single-sideband communication
single-sideband receiver
single sideband radio (set)
single-sideband voice radio communication
Beep when flight controller is powered from USB
Failed to close USB device
open USB device!
via its USB port or wiring up an FTDI device
try a different USB cable
USB device successfully closed
USB device successfully opened with
USB DFU not found
land-based upper layer (LBUL)
Sea-Based Upper Layer (SBUL)
upper air fallout
upper deck
upper layer
upper glacis plate
adjustable upper sling swivel
upper ball race
upper center crankshaft bearing
upper edge of front sight
upper front crankshaft bearing
upper front plate
upper hemisphere
upper insulator gasket
upper motor lubricant
upper proximity dot (of a gyro gunsight)
upper rear crankshaft bearing
upper sling swivel